World-Line

 is the 19th single by Imai Asami. It, and peaked at #29 on the Oricon single chart.

Single Information
World-Line was used as the ending theme for the anime STEINS;GATE 0.
 * Lyrics: Shikura Chiyomaru (#1), Otsu Makoto (#2), Imai Asami (#3)
 * Composition: Shikura Chiyomaru (#1), Otsu Makoto (#2), Hamada Takashi (#3)
 * Arrangement: Yuuki Shinichi (#1), Otsu Makoto (#2), Miyafuji Yuuya (#3)

CD

 * 1) World-Line
 * 2) Ame no Ato ni ~Brighter Days Ahead~ (アメノアトニ〜Brighter Days Ahead〜)
 * 3) Blue Feather
 * 4) World-Line (off vocal)
 * 5) Ame no Ato ni ~Brighter Days Ahead~ (アメノアトニ〜Brighter Days Ahead〜) (off vocal)
 * 6) Blue Feather (off vocal)
 * 7) Makise Kurisu Monologue "Seibou no Aria" (牧瀬紅莉栖モノローグ『星芒のアリア』) [Limited edition only]

Limited Edition DVD

 * 1) World-Line (Music Video)
 * 2) World-Line (Music Video making)