"Kitto Eien ni" is pop singer

Crystal Kay is a Japanese singer, songwriter, actress and radio host. After releasing her first single, "Eternal Memories" (1999), Crystal Kay gained fame for her third studio album, '' Almost Seventeen'' (2002), which debuted at number 2 on the Japanese ...

's nineteenth single. It was released on January 17, 2007 as the first single for Kay's seventh studio album '' All Yours''. This was Kay's first single since February 2006. The song, a ballad, was used as the ending theme of the

live-action Live action (or live-action) is a form of cinematography or videography that uses photography instead of animation. Some works combine live-action with animation to create a live-action animated film. Live-action is used to define film, video ga ...

film adaptation of the manga by

Kotomi Aoki is a Japanese manga artist residing in Matsuyama, Ehime, Japan. She received the 2008 Shogakukan Manga Award for ''shōjo'' manga for ''Boku no Hatsukoi o Kimi ni Sasagu''. Kotomi took her 2013 Manga, "The Liar and His Lover" and remade a new ...

which stars

Jun Matsumoto Jun or JUN may refer to: People and anthroponymy * Jun (given name), a common Japanese given name * Jun (singer), a member of South Korean boy band U-KISS * Tomáš Jun, Czech footballer * A spelling of common Korean family name Jeon (Korean surn ...

and

Nana Eikura is a Japanese actress, model, and occasional radio show host affiliated with Ken-On Group. Biography She was born in Izumi, Kagoshima, and raised in Sagamihara, Kanagawa.

as Yori and Iku, fraternal twins who fall in love despite being siblings. The single's

B-side The A-side and B-side are the two sides of phonograph records and cassettes; these terms have often been printed on the labels of two-sided music recordings. The A-side usually features a recording that its artist, producer, or record compan ...

"As One" was used as

J-Wave J-Wave is a commercial radio station based in Tokyo, Japan, broadcasting on 81.3 FM from the Tokyo Skytree to the Tokyo area. J-Wave airs mostly music, covering a wide range of formats. The station is considered the most popular among FM broad ...

's Christmas campaign song in December 2008.

Track listing

Charts

External links

Boku wa Imōto ni Koi o Suru @ IMDB
{{authority control 2007 singles Crystal Kay songs 2007 songs Epic Records singles Japanese film songs