is a Japanese musical ensemble and

dōjin circle In Japan, is a group of people who share an interest, activity, or hobby. The word is sometimes translated into English as "clique", "fandom", "coterie", "society", or "circle" (as in "sewing circle"). Self-published creative works produced b ...

from

Sapporo ( ain, サッ・ポロ・ペッ, Satporopet, lit=Dry, Great River) is a city in Japan. It is the largest city north of Tokyo and the largest city on Hokkaido, the northernmost main island of the country. It ranks as the fifth most populous city ...

, Japan. The group is primarily known for producing remixes of music from the

Touhou Project The , also known simply as , is a bullet hell shoot 'em up video game series created by one-man independent Japanese ''doujin'' soft developer Team Shanghai Alice. Since 1995, the team's member, Jun'ya "ZUN" Ōta, has independently developed ...

series of ''dōjin'' games. They are not signed to a label, instead preferring to release their music through

dōjin In Japan, is a group of people who share an interest, activity, or hobby. The word is sometimes translated into English as "clique", "fandom", "coterie", "society", or "circle" (as in "sewing circle"). Self-published creative works produced b ...

channels such as the

Comiket , more commonly known as or , is a semiannual ''doujinshi'' convention in Tokyo, Japan. A grassroots market focused on the sale of '' doujin'' (self-published) works, Comiket is a not-for-profit fan convention administered by the volunteer-ru ...

convention and via their website. Their music frequently parodies characters or themes of games such as those of

Atlus is a Japanese video game developer, publisher, arcade manufacturer and distribution company based in Tokyo. A subsidiary of Sega, the company is known for video game series such as ''Megami Tensei'', ''Persona'', ''Etrian Odyssey'' and ''Trau ...

's ''

Etrian Odyssey ''Etrian Odyssey'' is a dungeon crawler role-playing video game series. It is primarily developed and published by Atlus and currently owned by Sega. By 2016, the series had sold a combined total of 1.5 million copies worldwide. Titles Main se ...

''. Many of the current members reside in the

Hokkaidō is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The la ...

or Kantō areas of Japan.

Flash videos

IOSYS is generally best known for the

Flash Flash, flashes, or FLASH may refer to: Arts, entertainment, and media Fictional aliases * Flash (DC Comics character), several DC Comics superheroes with super speed: ** Flash (Barry Allen) ** Flash (Jay Garrick) ** Wally West, the first Kid ...

movies that go along with their songs. The first Flash movie was a music video for their original song "" sang

2channel , also known as 2ch, Channel 2, and sometimes retrospectively as 2ch.net, was an anonymous Japanese textboard founded in 1999 by Hiroyuki Nishimura. Described in 2007 as "Japan's most popular online community", the site had a level of influe ...

's culture, and was published in April 2006. It was created by a dōjin animation producer , also known as ''locker room production''. In May 2006, IOSYS released the first ''Touhou Project'' arrangement CD,. ARM, a main composer of IOSYS, recalled that he was interested in dojin music circles competed with each other for arrangements of the same original music. He was inspired by the ''Touhou Project'' arrangement song "Help me, EIRINNNNNN!!" created by the dōjin circle COOL&CREATE in 2004. In August 2006, IOSYS released the second ''Touhou Project'' arrangement CD, . In November 2006, they published a promotional video using the second track of the CD, "" whose movie was made by Kagi. It had a positive critical reception from visitors. Flash movies were followed by "" (known in English speaking circles as "Overdrive") from their third Touhou arrangement album, "" co-worked with COOL&CREATE, and “”. Their Flash movies and fan-made videos were uploaded to

YouTube YouTube is a global online video platform, online video sharing and social media, social media platform headquartered in San Bruno, California. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. It is owned by ...

and Nico Nico Douga. They caused a big sensation among the Japanese

Internet forum An Internet forum, or message board, is an online discussion site where people can hold conversations in the form of posted messages. They differ from chat rooms in that messages are often longer than one line of text, and are at least temporar ...

, Nico Nico Douga and in other

otaku is a Japanese word that describes people with consuming interests, particularly in anime, manga, video games, or computers. Its contemporary use originated with a 1983 essay by Akio Nakamori in ''Manga Burikko''. may be used as a pejorativ ...

internet circles. IOSYS also produced the 2nd ending credits for '' Penguin Musume Heart'' and composed opening and ending credits music for ''

Yumekui Merry is a Japanese action fantasy manga series written and illustrated by Yoshitaka Ushiki. The series was serialized in Houbunsha's ''seinen'' manga magazine ''Manga Time Kirara Forward'' from 2008 to 2020. The manga was adapted into an anime te ...

''.

Discography

The name , meaning Eastern, refers to the

series. Reference for discography taken from Videogame Music Database. ;01. ファミコンCDDX *''Famicom CDDX'' *''Released May 08 2005'' ;02. 東方風櫻宴 (Tōhō Kazakuraen) *''Phantasmagoria Mystical Expectation'' *''Released May 21, 2006'' *''The first IOSYS Touhou Project arrangement CD, mainly instrumental. Only the first and fourth tracks having lyrics.'' ;03. 東方乙女囃子 (Tōhō Otomebayashi) *''Touhou Maidens' Orchestra'' *''Released Aug 13 2006'' *''The Otome Bayashi includes one of IOSYS' most famous songs, "Marisa Stole the Precious Thing", but is also mainly instrumental.'' ;04. 東方月燈籠 (Tōhō Tsukitōrō) *''Touhou Moon Lantern'' *''Released Dec 31 2006'' *''In this CD, "Stops at the affected area and immediately dissolves ~ Lunatic Udongein" is included. This is the first IOSYS CD in which every track has lyrics but the fourteenth. Was re-released in 2009 as Touhou Moon Lantern (Safe), with certain tracks added/removed.'' ;05. 世界樹のおもちゃ箱 (Sekaiju no Omochabako) *''Yggdrasil's Toy Box'' *''Released Apr 30/2007'' ;06. 東方永雀峰 (Tōhō Eijanho) *''Touhou Eternal Sparrow Peak'' *''Released May 20, 2007'' *''This is a rearrange of nearly the entire Touhou Eiyashou soundtrack, with vocals for only 3 tracks. It also features a parody of Marisa Stole the Precious Thing'' ;07. 東方萃翠酒酔 (Tōhō Suisuisūsū) *''Touhou Gathering Green Wine Drunkenness'' *''Released Aug 17 2007'' *''In this CD, "Usatei" is included. It was re-arranged by COOL&CREATE themselves, and was exhibited as "" in the Touhou music live event in 2011'' ;08. ごっすんとかのからおけ (Gossun to ka no Karaoke) *''Released Nov 11 2007'' ;09. 東方河想狗蒼池 (Tōhō Kasokusōchi) *''Touhou Blue Land of Rivers, Visions, and Tengu'' *''Released Dec 31 2007'' ;10. ねこみことかのからおけ (Neko Miko to ka no Karaoke) *''Released Mar 03 2008'' ;11. 東方真華神祭 (Tōhō Makashinsai) *''Touhou Splendid Divine Festival'' *''Released May 25, 2008'' ;12. ごっすんリミックス　アイン (Gossun Remix Ein) *''Released May 25, 2008'' ;13. ごっすんリミックス　ツバイン (Gossun Remix Zwein) *''Released May 25, 2008'' ;14. 東方想幽森雛 (Tōhō Sōyūshinpi) *''Touhou Such a Mystery'' *''Released Aug 17 2008'' ;15. おさいせんとかのからおけ (Osaisen to ka no Karaoke) *''Released Oct 13 2008'' ;16. 東方氷雪歌集 (Tōhō Hyosetsu Kashu) *''Touhou Anthology Of Ice And Snow'' *''Released Nov 02 2008'' ;17. 東方泡沫天獄 (Tōhō Hōmatsu Tengoku) *''Touhou Bubbling Underground'' *''Released Dec 29 2008'' ;18. 東方超都魔転 (Tōhō Chotto Matten) *''Touhou Just A Moment'' *''Released Mar 08 2009'' ;19. bloom *''Released Mar 08 2009'' ;20. 東方月燈籠セーフ！ *''Touhou Moon Lantern Safe!'' *''Released Apr 1 2009'' *''Re-release of 東方月燈籠.'' ;21. 東方年柄年中 (Tōhō Nengaranenju) *''Touhou All Year Round'' *''Released Aug 15 2009'' ;22. 東方JeuXinTerdiTs *''Touhou JeuXinTerdiTs'' *''Released Dec 12 2009'' ;23. 東方アゲハ (Tōhō Ageha) *''Released Feb 14 2010'' ;24. 東方銀晶天獄 *''Touhou Crystallized Ocean'' *''Released Mar 14 2010'' ;25. 燃えろ！東方ブラスバンド *''Moero! Touhou Brass Band'' *''Released May 05 2010'' ;26. 東方 Faithful Star *''Touhou Faithful Star'' *''Released July 11, 2010'' ;27. 東方うたうチルノちゃん *''Touhou Singing Cirno chan'' *''Released August 14, 2010'' ;28. 東方恋苺娘+ *''Touhou Love Strawberry Girl +'' *''Released August 14, 2010'' ;29. Touhou IO-BEST BEATS *''Released September 19, 2010'' ;30. 東方メリーゴーランド *''Touhou Merry-Go-Round'' *''Released September 19, 2010'' ;31. 東方浮思戯革命 *''Touhou Wonder Revolution'' *''Released October 11, 2010'' ;32. 東方云符不普 *''(title is sequence of characters that make no literal sense)'' *''Released December 30, 2010'' ;33. イオシス — リ：キャンディッド！ ARM東方リミックス *''IOSYS: Candid! ARM Touhou Remix'' *''Released March 13, 2011'' ;34. 東方メレンゲ少女夜行 *''Touhou Merenge Shoujo Yakou'' *''Released March 13, 2011'' ;35. 東方 Variable Spellcaster *''Released May 8, 2011'' ;36. 東方IO-BEST BEATS2 *''Released May 8, 2011'' ;37. 東方メレンゲ少女夜行 *''Touhou Meringue Girls Train Ride'' *''Released May 8, 2011'' ;38. Grimoire of IOSYS – 東方BEST ALBUM vol.1 *''Released July 10, 2011'' *''First IOSYS Best-Of Album.'' ;39. 東方アゲハ DESTINY *''Touhou Ageha DESTINY'' *''Released July 10, 2011'' ;40. 俺のチルノがこんなに天才なわけがない *''There is no genius like my Cirno'' *''Released August 13, 2011'' ;41. 東方プレシャス流星少女 *''Touhou Precious Meteor Girls'' *''Released August 13, 2011'' ;42. 東方Reflection of a Drive *''Released September 11, 2011'' ;43. 東方テレパス少女歌集 *''Touhou Telepathic Girls' Anthology'' *''Released October 16, 2011'' ;44. 11.12.30 東方エレクトリック電波少女 *''Touhou Electric Radio Girl'' *''Released December 30, 2011'' ;45. 東方IO-BEST BEATS3 *''Released February 12, 2012'' ;46. Grimoire of IOSYS – 東方BEST ALBUM vol.2 *''Released February 29, 2012'' *''Second IOSYS Best-Of Album.'' ;47. てっぺい先生のパーフェクトヴァイオリン教室 *''Teppei Sensei's Perfect Violin Class'' *''Released March 10, 2012'' ;48. Quality Underground *''Released April 22, 2012'' ;49. 東方紫雨天獄 *''Touhou Twilight Heaven'' *''Released April 30, 2012'' ;50. 東方アゲハ NIGHTMARE *''Touhou Ageha NIGHTMARE'' *''Released May 27, 2012'' ;51. 風櫻 SECOND PHANTASMA *''Wind-Cherryblossom SECOND PHANTASMA'' *''Released May 27, 2012'' ;52. 東方うたうちれいでん *''Touhou Singing Subterranean Animism'' *''Released July 14, 2012'' ;53. 燃えろ！東方ブラスバンド生 *''Moero! Touhou Brass Band Live'' *''Released August 11, 2012'' ;54. Quaky Divines *''Released September 28, 2012'' ;55. 東方Eternal Fantasia *''Released September 28, 2012'' ;56. Night Gypsy - 東方JAZZROCK - *''Night Gypsy - Touhou JAZZROCK'' *''Released October 7, 2012'' ;57. 乙女囃子 COLORFUL GIRLS -IOSYS TOHO COMPILATION vol.22- *''Maiden's Orchestra COLORFUL GIRLS -IOSYS TOHO COMPILATION vol.22-'' *''Released October 7, 2012'' ;58. Grimoire of IOSYS – 東方BEST ALBUM vol.3 *''Released November 30, 2012'' *''Third IOSYS Best-Of Album.'' ;59. > TOHO EDM < *''Released December 12, 2012'' ;60. ROCKIN'ON TOUHOU VOL.1 *''Released December 30, 2012'' ;61. re:takes ～best of minami's toho guitar works～ *''Released February 3, 2013'' ;62. PUNK IT! TOUHOU! -IOSYS HITS PUNK COVERS- *''Released March 31, 2013'' ;63. Stellar Nursery *''Released March 31, 2013'' ;64. 背徳のファンタスマゴリア *''Phantasmagoria of Immortality'' *''Released April 29, 2013'' ;65. ROCKIN'ON TOUHOU VOL.2 *''Released May 26, 2013'' ;66. RoughSketch TOHO WORKS 2007-2012 *''Released May 26, 2013'' ;67. げきおこ☆メイガス *''Released May 26, 2013'' ;68. Scary Halloween Show *''Released October 13, 2013'' ;69. Chinjufu ni Chakunin Shita Kedo Shitsumon Aru? *''Released October 27, 2013'' ;70. Gekikawa☆Vampin *''Released December 28, 2013'' ;71. Bauxite ga Soko o Tsuita Kudan *''Released January 19, 2014'' ;72. PUNK IT! TOUHOU!2 -IOSYS HITS PUNK COVERS- *''Released February 2, 2014'' ;73. NOTHING BUT THE TOHO EDM *''Released March 30, 2014'' ;74. ROCKIN'ON TOUHOU VOL.3 *''Released May 11, 2014'' ;75. HYPER DEMPA COLLECTION -FREEDOM★TOUHOU-HEN- *''Released May 11, 2014'' ;76. Hangyaku no Phantasmagoria *''Released May 11, 2014'' ;77. PUNK IT! TOUHOU! 3 -IOSYS HITS PUNK COVERS- *''Released October 18, 2015'' ;78. IOSYS TOHO MEGAMIX – GENSOKYO HOUSE EDITION – *''Released October 18, 2015'' ;79. Haunted Halloween Town *''Released October 18, 2015'' ;80. MAGIC TO MUSIC TOHO *''Released December 30, 2015'' ;81. げきリミ! -げきおこシリーズリミックス *''Geki Remi ─ Gekioko series remix ─'' *''Released December 30, 2015'' ;82. DREAM TO MUSIC TOHO *''Released March 13, 2016'' ;83. ROCKIN'ON TOUHOU VOL.5 *''Released May 5, 2016'' ;84. MIRACLE TO MUSIC TOHO *''Released June 19, 2016'' ;85. Touhou Hits Covers -Ska Punk Flavor- *''Released August 8, 2016'' ;86. Spooky Halloween Tour *''Released October 9, 2016'' ;87. 東方極楽湯界─イオシス東方コンピレーション vol.24─ *''Released October 10, 2016'' ;88. 東方フリースタイル弾ジョン *''Released May 7, 2017'' ;89.東方ゴールデンタイム ─イオシス東方コンピレーション vol.25─ *''Released May 7, 2017''

References

External links

*
IOSYS Main Website
{{Authority control Doujin music Musical groups from Hokkaido