was a Japanese

seinen is an editorial category of Japanese comics marketed toward young adult men. In Japanese, the word ''seinen'' literally means "youth", but the term "''seinen'' manga" is also used to describe the target audience of magazines like '' Weekly Ma ...

mixed-media magazine published by Kodansha, aimed at adult males, but particularly at hardcore

anime is hand-drawn and computer-generated animation originating from Japan. Outside of Japan and in English, ''anime'' refers specifically to animation produced in Japan. However, in Japan and in Japanese, (a term derived from a shortening of ...

and manga fans, featuring articles as well as manga tied into popular franchises. Original manga were also featured in the magazine. It was announced in September 2008 that ''Magazine Z'' would be discontinued. The last issue shipped on January 26, 2009.

Manga artists and series serialized in ''Magazine Z''

; Hideaki Nishikawa * ''

Apocrypha Getter Robot Dash , originally titled , is a Japanese manga written and illustrated by Hideaki Nishikawa based on Go Nagai and Ken Ishikawa classic ''Getter Robo'' series. It was initially serialized monthly in Kodansha's ''Magazine Z''. As the title suggests ...

'' (2008 to 2009) ;

Yuu Watase is a Japanese manga artist. She debuted in 1989 at the age of 18 with the short story "Pajama de Ojama" (, "An Intrusion in Pajamas") and has since published more than 50 volumes of one-shots and long-running manga series. One of her most po ...

* ''

Sakura Taisen is a Japanese steampunk media franchise created by Oji Hiroi and owned by Sega. It is focused around a series of cross-genre video games. The first game in the series was released in 1996, with five sequels and numerous spin-off titles be ...

'' (2005 to 2009) (manga commissioned by

Sega Enterprises is a Japanese multinational video game and entertainment company headquartered in Shinagawa, Tokyo. Its international branches, Sega of America and Sega Europe, are headquartered in Irvine, California and London, respectively. Its division ...

) ;

Kia Asamiya , best known by the pen name , is a Japanese manga artist whose work spans multiple genres and appeals to diverse audiences. He is well known for using influences from American comics, television, and films in his work, and describes himself as ...

* '' Batman: Child of Dreams'' (2000 to 2001) (manga commissioned by

DC Comics DC Comics, Inc. (doing business as DC) is an American comic book publisher and the flagship unit of DC Entertainment, a subsidiary of Warner Bros. Discovery. DC Comics is one of the largest and oldest American comic book companies, with thei ...

) ; Hoshi Itsuki * ''

Kurau Phantom Memory ''Kurau Phantom Memory'' (stylized as ''KURAU Phantom Memory'') is a Japanese science fiction anime series, produced by Bones and Media Factory, which was broadcast in Japan by the anime television networks Animax and TV Asahi from June to Dec ...

'' (2005) * ''

Skies of Arcadia ''Skies of Arcadia'' is a 2000 role-playing video game developed by Overworks and published by Sega. Players control Vyse, a young air pirate, and his friends as they attempt to stop the fictional Valuan Empire from reviving ancient weapons with t ...

'' (2000 to 2002) ; Baku Yumemakura/ Sei Itoh * '' Kouya ni Kemono Doukokusu'' (2004 to ???) ; Momotarō Miyano/

Masamune Shirow , better known by his pen name , is a Japanese manga artist. Shirow is best known for the manga '' Ghost in the Shell'', which has since been turned into three theatrical anime films, two anime television series, an anime television movie, an a ...

* ''

RD Sennou Chousashitsu Rd is an abbreviation for road. RD or Rd may also refer to: Arts and entertainment * ''Real Drive'', an anime by Production I.G * RD (group), a British girl group also known as Ruff Diamondz * '' Rilindja Demokratike'', an Albanian newspaper B ...

'' (2008 to 2009) ;

Takuya Fujima Takuya is a masculine Japanese given name. Notable people with the name include: * Takuya Asanuma (born 1971), Japanese guitarist and former member of Judy and Mary who performs as "TAKUYA" * Takuya Eguchi, Japanese voice actor *, Japanese long-di ...

* ''

Deus Vitae ''Deus Vitae'', or is a manga series created by Takuya Fujima. Plot In 2068, Leave, a powerful android, is created by the Brain Computer and raised by the human scientist Fenrir to be the new root of mankind; the "Goddess", deciding that th ...

'' (1999 to 2002) * ''

Free Collars Kingdom is a Japanese manga series written and illustrated by Fujima Takuya. The individual chapters were serialized in ''Magazine Z'', and compiled into three ''tankōbon'' volumes released by Kodansha from February 2003 to March 2004. Set in Ikebu ...

'' (2002 to 2003) ;

Q Hayashida is a Japanese manga artist. She is best known for her series '' Dorohedoro'', which was formerly serialized in ''Monthly Ikki'', but moved to ''Hibana'' after ''Ikki'' ceased publication, and later moved to ''Monthly Shōnen Sunday'' after ''Hiban ...

* '' Maken X Another'' (1999 to 2001) ;

Nishikawa Shinji Nishikawa may refer to: Places *Nishikawa, Yamagata, a town in Yamagata Prefecture, Japan People with the surname * Ayako Nishikawa, a medical doctor, a TV talent * Helen Nishikawa, a TV talent in Japan, wife of Kiyoshi Nishikawa (described below) ...

* ''

Chouseishin Gransazer , (translated into English as ''Ultra Instinct Star Gods and the GranSazers'' or ''Super Star Gods and the GranSazers'' or also known as only ''GranSazers'') is a tokusatsu superhero TV series, produced by Toho Company Ltd., and Konami. The ser ...

'' (2003 to 2004) ;

Toshitsugu Iida Toshitsugu is a masculine Japanese given name. Possible writings Toshitsugu can be written using different combinations of kanji characters. Here are some examples: *敏次, "agile, next" *敏継, "agile, continue" *敏嗣, "agile, succession" *� ...

* ''

Wolf's Rain ''Wolf's Rain'' (stylized in uppercase as ''WOLF'S RAIN'') is a Japanese anime television series created by writer Keiko Nobumoto and produced by Bones. It was directed by Tensai Okamura and featured character designs by Toshihiro Kawamoto wi ...

'' (2003 to 2004) (created by

Keiko Nobumoto was a Japanese screenwriter. She wrote the screenplay for '' Cowboy Bebop'' and created ''Wolf's Rain''. Nobumoto died from esophageal cancer on December 1, 2021, at the age of 57. Filmography * Series head writer denoted in bold Anime televi ...

) ; Shinya Kaneko * ''

Culdcept is a series of turn-based strategy video games developed by OmiyaSoft. It revolves around virtual board game-like gameplay in which the player traverses a map and uses magical, tablet-like "cards" to defeat their opponents by forcing them to la ...

'' (1999 to 2007) ;

Yōsuke Kuroda is a Japanese anime screenwriter from Mie Prefecture, Japan. He has his own studio enterprise, Studio Orphee. Kuroda is noted for his work on authoring the scenario, screenplay and story composition of the anime series ''Excel Saga'', ''Please ...

/ Ichiro Inui * '' Bujingai: Zanou Densetsu'' (2004 to 2005) ; Takahiro Seguchi * '' Ai wa Kagerou'' (2004 to 2006) ; Itoh Shi * '' Puppet Revolution'' (2002) ;

Katsu Aki , pen name , is a Japanese manga artist best known for his works ''The Vision of Escaflowne'', ''Futari Ecchi'', and ''Psychic Academy''. Mine Yoshizaki is a Japanese manga creator. His most well known works are ''Sgt. Frog'', a manga he cre ...

* ''

Psychic Academy is a Japanese seinen manga, ''seinen'' manga series written and illustrated by Katsu Aki. It was published by Kodansha in ''Magazine Z'' between 1999 and 2003. An anime ONA (original net animation) adaptation was produced by E.G. Films in 20 ...

'' (1999-2003) ;

Asuka Katsura Asuka may refer to: People * Asuka (name), a list of people * Asuka (wrestler), professional wrestler * Asuka (wrestler, born 1998), professional wrestler also known as Veny outside of Japan Places In Japan * , an area in Yamato Province (now N ...

* '' Le Portrait de Petit Cossette'' (2004) ; Yuuichi Kumakura * ''

King of Bandit Jing , is a Japanese manga series written and illustrated by Yuichi Kumakura. The series was originally serialized in Kodansha's ''Comic Bom Bom'' magazine from 1995 to 1998; the publisher later collected the individual chapters into seven tank ...

'' (1999 to 2005) ; Asato Mifune * '' Yukei Seikyo Kukla'' (story by

Koji Tazawa Koji, Kōji, Kohji or Kouji may refer to: *Kōji (given name), a masculine Japanese given name *Kōji (Heian period) (康治), Japanese era, 1142–1144 *Kōji (Muromachi period) (弘治), Japanese era, 1555–1558 *Koji orange, a Japanese citrus ...

) ;

Satoru Akahori is a Japanese scriptwriter, novelist and manga author. He is best known for the ''Saber Marionette'', ''Sakura Wars'' and ''Sorcerer Hunters'' series, which comes in anime, novel and manga forms. Works *''Akahori Gedou Hour Rabuge'': Series Com ...

/ Ryuusei Deguchi *''

Magical Shopping Arcade Abenobashi is a Japanese anime television series created by Gainax, with animation produced by Gainax and Madhouse, and directed by Hiroyuki Yamaga. It was broadcast for thirteen episodes on Kids Station from April to June 2002. The series was licensed ...

'' (2001 to 2002) ; Yuuna Takanagi/ Tooru Zekuu *''

Shikigami no Shiro , released in North America and Europe under the title of ''Mobile Light Force 2'' and in some PAL regions as ''MLF2 - Mobile Light Force 2'', is a 2001 shoot 'em up developed by Alfa System and is the first game in the ''Shikigami no Shiro'' seri ...

'' (2003 to 2004) * '' Shikigami no Shiro: Nejireta Shiro-hen'' (2004 to 2008) ;

Nozomu Tamaki is a Japanese manga artist. His most notable work, ''Dance in the Vampire Bund'', was licensed in English by Seven Seas Entertainment and adapted into a 12-episode anime series by the studio Shaft. Works Mainstream Doujinshi *''Ne-To-Ge'' ...

* '' Hakodate Youjin Buraichou Himegami'' (2007 to 2009) ; Haruhiko Mikimoto * '' Baby Birth'' (2001 to 2002) (story by Sukehiro Tomita) ;

Kenichi Muraeda is a Japanese manga artist who is known for creating the manga series ''Kamen Rider Spirits''. He is married to fellow manga artist . History After working as an assistant to manga artist Satoshi Yoshida, Muraeda made his debut in 1987 with ''Ar ...

* ''

Kamen Rider Spirits is a manga adaptation of the popular '' Kamen Rider'' franchise by Kenichi Muraeda. The story focuses on the ten original Kamen Riders with shifting focus on main characters. The original series ended when ''Magazine Z'' ceased publicatio ...

'' (2001 to 2009) (story and concept by

Shotaro Ishinomori was a Japanese manga artist who became an influential figure in manga, anime, and , creating several immensely popular long-running series such as '' Cyborg 009,'' the ''Super Sentai'' series (later adapted into the ''Power Rangers'' series), ...

) ; Yuushi Kanoe * '' Ayakashi'' (2007 to 2008) ; Sasaki Yoshioka * ''

Placebo A placebo ( ) is a substance or treatment which is designed to have no therapeutic value. Common placebos include inert tablets (like sugar pills), inert injections (like saline), sham surgery, and other procedures. In general, placebos can af ...

'' ; Ran Satomi/

Maki Ebishi Maki may refer to: People *Mäki, a Finnish surname (includes a list of people with the name) *Maki (name), a Japanese given name and surname (includes a list of people with the name) Places *Maki, Ravar, Kerman Province, Iran *Maki, Rigan, Ke ...

* '' Doll Star: Kotodama Tsukai Ihon'' (2008 to 2009) ; Sung-gyu Lee/ Kyoichi Nanatsuki * ''

Void Void may refer to: Science, engineering, and technology * Void (astronomy), the spaces between galaxy filaments that contain no galaxies * Void (composites), a pore that remains unoccupied in a composite material * Void, synonym for vacuum, a ...

'' (2010) ;

Auto Taguchi Auto may refer to: * An automaton * An automobile * An autonomous car * An automatic transmission * An auto rickshaw * Short for automatic * Auto (art), a form of Portuguese dramatic play * ''Auto'' (film), 2007 Tamil comedy film * Auto (play), ...

* ''

Mobile Suit Gundam 00 is a Japanese anime television series, the eleventh installment in Sunrise (company), Sunrise studio's long-running ''Gundam'' franchise comprising two seasons. The series is set on a futuristic Earth and is centered on the exploits of the f ...

'' * ''

Mobile Suit Gundam 00 Second Season is a Japanese anime television series, the eleventh installment in Sunrise (company), Sunrise studio's long-running ''Gundam'' franchise comprising two seasons. The series is set on a futuristic Earth and is centered on the exploits of the f ...

'' ; Chiaki Ogishima * '' Heat Guy J'' (2003) (created by

Kazuki Akane is a Japanese animation director. Until the early 2000s, he was a staff member of the anime studio Sunrise, where he collaborated with Shoji Kawamori to direct his most famous work, ''The Vision of Escaflowne''. Since that time, he worked extens ...

) ; Aikawa Shou/ Jinguuji Hajime * '' Karakuri Kiden: Hiwou Senki'' (1999 to 2001) ; Atsushi Soga * ''

Turn A Gundam , also stylized as ''∀ Gundam'', is a 1999 Japanese mecha anime series produced by Sunrise, and aired between 1999 and 2000 on Japan's FNN networks. It was created for the ''Gundam Big Bang'' 20th Anniversary celebration, and is the ...

'' (1999 to 2002) (story by

Yoshiyuki Tomino is a Japanese mecha anime creator, animator, director, screenwriter, songwriter and novelist best known for creating the ''Gundam'' anime franchise. He was born in Odawara, Kanagawa Prefecture, and studied at Nihon University's College of Art ...

) ;

Junji Ito is a Japanese horror manga artist. Some of his most notable works include ''Tomie'', a series chronicling an immortal girl who drives her stricken admirers to madness; '' Uzumaki'', a three-volume series about a town obsessed with spirals; and ...

* '' Junji Ito's Cat Diary: Yon & Mu'' (2008 to 2009) ; Mimi Natto/ Tokumo Sora * '' Ism/i'' (2007 to 2009) ;

Hajime Ueda is a Japanese manga artist who created a two-volume adaptation of the Japanese animated OVA series '' FLCL'', and the original manga '' Q·Ko-chan: The Earth Invader Girl''. He started his career as a dōjinshi artist, gaining a reputation fo ...

* ''

FLCL is an original video animation (OVA) anime series created and directed by Kazuya Tsurumaki, written by Yōji Enokido, and produced by the FLCL Production Committee, which consisted of Gainax, Production I.G, and King Records. ''F ...

'' (2000 to 2001) * '' Q·Ko-chan: The Earth Invader Girl'' (2003-2004) ; Yatate Hajime/

/ Masatsugu Iwase * '' Mobile Suit Gundam SEED'' (2002 to 2004) * ''

Mobile Suit Gundam SEED Destiny is an anime television series, a direct sequel to ''Mobile Suit Gundam SEED'' by Sunrise and the overall tenth installment in the '' Gundam'' franchise. It retains most of the staff from ''Gundam SEED'', including Director Mitsuo Fukuda. S ...

'' (2004 to 2006) ; Warabino Kugeko * '' Heroic Age'' (2007 to 2008) ; Yoshihiko Tomizawa/

Hiroyuki Kaidō Hiroyuki Kaidō (sometimes Kaidou) 海童博行 is a Japanese manga artist and animation director. Her works include the artwork for the manga adaption of the video game '' Tales of Innocence'', which is serialized in Jump SQ. Kaidou has worked ...

* '' Kikinosuke Gomen (2006 to 2007) ;

Go Nagai , better known by the pen name , is a Japanese manga artist and a prolific author of science fiction, fantasy, horror and erotica. He made his professional debut in 1967 with ''Meakashi Polikichi'', but is best known for creating popular 1970s ...

* '' Amon: The Darkside of the Devilman'' (1999 to 2004) (art by Yu Kinutani) * ''

Demon Lord Dante is a manga series written and illustrated by Go Nagai. The series tells the story of Ryo Utsugi, a student who finds himself in the body of an ancient demon known as Dante and sees himself in the middle of a conflict between God and the dev ...

'' (2003 to 2004) * '' Devilman Mokushiroku: Strange Days'' (2005) * '' Kikoushi Enma'' (2006) * '' Mazinger Angels'' (2004 to 2006) * '' Mazinger Angel Z'' (2007 to 2008) * '' Satanikus Enma Kerberos'' (2007 to 2009) ; Satoshi Urushihara * ''

Vampire Master Dark Crimson is a Japanese manga series by Satoshi Urushihara which was serialized in ''Magazine Z, Monthly Magazine Z'' published by Kodansha. Plot synopsis The story begins before the dawn of time, when people (identified as ''Crimsons'') have been un ...

'' (2000) ;

You Higuri is a Japanese '' shōjo'' and yaoi manga artist who has made several appearances at anime and manga conventions in the United States, as well as in Germany. Her first U.S. appearance was at the initial Yaoi-Con in San Francisco in 2001 (Yaoi-C ...

George Iida is a Japanese film and television director, screenwriter, manga author, and novelist. Iida has worked continually in Japan's film, television, anime and manga industries since the early 1980s, predominantly in the genres of horror and science f ...

* ''

Night Head Genesis ''Night Head Genesis'' is a Japanese anime television series adapted from the 1992 TV drama ''Night Head''. It began airing on the anime television network Animax on July 27, 2006. The series was licensed for a North American release on Febr ...

'' (2006 to 2008) ; Takashige Hiroshi/ Soga Atsushi * '' Midori no Ou'' (2003 to 2009) ; Tohiro Konno * ''

Pugyuru is a Japanese yonkoma, four-panel comic strip by Tohiro Konno. The manga was first serialized in the Japanese manga magazine Magazine Z, Monthly Magazine Z in June, 2001. Pugyuru was adapted into an anime series that was broadcast on April 12 ...

'' (2001 to 2009) ;

Narumi Kakinouchi is a female Japanese manga artist, illustrator, animator, director, character designer, and an animation director. Biography Kakinouchi was born in Osaka Prefecture, Japan. After graduating from high school, she began working at Studio Beebo u ...

* ''

Yakushiji Ryōko no Kaiki Jikenbo , known in English as ''Ryoko's Case File'', is a Japanese light novel written by Yoshiki Tanaka and illustrated by Narumi Kakinouchi. It was adapted into manga and an anime television series, two Drama CDs had also been released prior to ...

'' (2004 to 2009) (story by

Yoshiki Tanaka is a Japanese novelist. Early life and education He was born in Hondo, Kumamoto Prefecture and took his doctorate degree in Japanese Language and Literature in the Graduate School of Gakushūin University in Tokyo. Work His major works in ...

) ; Tomo Umino * '' Aoi Sora no Neosphere'' (2005 to 2006) ;

Yuu Kinutaki Yuu or YUU may refer to: * Yū, Yamaguchi, or Yuu, a town in Kuga District, Yamaguchi Prefecture, Japan * Yuu (wrestler), Japanese professional wrestler * Yuu Shiina, usually written You Shiina is a Japanese freelance illustrator and manga arti ...

/ Mimi Natto * '' The Tales from the Far East'' (2006 to 2007) ; Momotarou Miyano * '' RD Senno Chosashitsu'' (2008 to 2009) ;

Eishi Ozeki was a Japanese ukiyo-e artist. His last name was Hosoda (細田). His first name was Tokitomi (時富). His common name was Taminosuke (民之丞) and later Yasaburo (弥三郎). Pupil of Kanō Michinobu, Kano Eisen'in Michinobu (狩野栄川� ...

* ''

Sky Girls is a Japanese anime franchise produced by Konami and animated by J.C.Staff. A 30-minute OVA episode was released on August 25, 2006 and a television series adaptation aired on Chiba TV from July 5, 2007, to December 27, 2007. Plot In th ...

'' (2007) ; Kyoichi Nanatsuki/

Takayuki Takashi Takayuki (written: 孝之, 孝行, 孝幸, 隆之, 隆行, 隆幸, 高之, 高行, 高猷, 貴之, 貴幸, 貴由, 貴由輝, 崇之, 崇幸, 敬之, 卓行, 鷹幸, 恭之 or タカユキ in katakana) is a masculine Japanese given name. Notable pe ...

* '' 8 Man Infinity'' (2005 - 2007) ; Masato Hisa * ''

Jabberwocky "Jabberwocky" is a nonsense poem written by Lewis Carroll about the killing of a creature named "the Jabberwock". It was included in his 1871 novel ''Through the Looking-Glass'', the sequel to '' Alice's Adventures in Wonderland'' (1865). The ...

'' (2006 to 2009) ; Kakinouchi Narumi/ Hirano Toshiki * '' Fuun Sanshimai Lin³'' (1999 to 2001) * '' Shaolin Sisters: Reborn'' (2001 to 2003) ; Katsuhiro Otomo/ Yuu Kinutani * '' Steamboy'' (2005 to 2006) ; Ogishima Chiaki * ''

The Legend of Mikazuchi ''The'' () is a grammatical article in English, denoting persons or things already mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the m ...

'' (1999 to 2002) ;

Takeaki Momose is a Japanese manga artist best known for his series, ''Miami Guns''. Momose is also known for adapting ''RahXephon'' into a manga. Works These Japanese comics have been drawn by Takeaki Momose: * ''Miami Guns'' * ''RahXephon'' (loosely based ...

* ''

Magikano is a Japanese manga series by Takeaki Momose, which was later adapted into an anime series, directed by Seiji Kishi and written by Hideki Mitsui. The anime series was also broadcast by Animax, who adapted and dubbed the series into English f ...

'' (2003 to 2008) ;

Hitoshi Ariga Hitoshi (written: , , , , , , , , , or in hiragana) is a masculine Japanese given name. Notable people with the name include: *, Japanese politician *, Japanese manga artist *, Japanese baseball player *, Japanese photographer *, Japanese baseba ...

* ''

The Big O ''The'' () is a grammatical article in English, denoting persons or things already mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the m ...

'' (1999 to 2001) * '' Mimimi ~The Tale of a Cat and a Robot~'' (2002) ; Kaihou Norimitsu/ Ishiwatari Daisuke * '' Guilty Gear Xtra'' (2002 to 2003) ; Masato Hisa * '' Grateful Dead'' (2003 to 2004) ; Yūjiro Izumi * ''

Popotan is a Japanese eroge, adult visual novel developed by Petit Ferret with character creation, character designs by Akio Watanabe under the alias Poyoyon Rock. It was originally released as a Personal computer game, PC game for CD-ROM on Dece ...

'' (2003 to 2004) ; Takumi Kobayashi/ Masahiro Sonoda * '' Afureko'' (2007 to 2008) ;

Tow Ubukata is the pen name of a Japanese novelist and anime screenwriter. His major works include '' Mardock Scramble'', '' Le Chevalier D'Eon'' and '' Heroic Age''. He also did series composition for the '' Fafner in the Azure'' series, '' Ghost in the Sh ...

/ Kiriko Yumeji * ''

Le Chevalier D'Eon is a Japanese anime television series produced by Production I.G based on an original story by Tow Ubukata. The anime originally aired in Japan on WOWOW from August 19, 2006, to February 2, 2007. The story has also been adapted into a man ...

'' (2005 to 2008) ; Hikaru Nikaidou * '' Atomic Nekokabutsu'' (2005 to 2007) ;

Kenji Ishikawa is a Japanese former swimmer. He competed in the men's 4 × 100 metre medley relay with a final rank of fifth at the 1964 Summer Olympics. References External links * 1946 births Living people Japanese male breaststroke swimmers ...

Kouji Tazawa ''Kouji'' ({{zh, c=wikt:口技, 口技), which can be translated literally as "mouth skill" or "skill of mouth" is a Chinese vocal mimicry performance art which utilizes the larynx, human speech organs to mimic the sounds of everyday life. When t ...

* '' Metroid'' (2002 to 2004) (manga commissioned by Nintendo) ; Yoshitomo Akihito * '' Companion'' (2006 to 2008) ;Unknown authors; * '' Kitty Kitty Fancia'' (1999 to 2001) * '' Wild Arms Flower Thieves'' (1999 to 2001)

References

External links

Official ''Magazine Z'' Website
(in Japanese) * {{Kodansha manga magazines 1999 establishments in Japan 2009 establishments in Japan Defunct magazines published in Japan Kodansha magazines Magazines established in 1999 Magazines disestablished in 2009 Magazines published in Tokyo Monthly manga magazines published in Japan Seinen manga magazines