Oshiete Darwin

 is the debut single by Purely Monster. The lead track was used as the opening theme for the anime Centaur no Nayami.

Regular Edition A CD

 * 1) Oshiete Darwin (教えてダーウィン)
 * 2) Shunkan Lys Gracieux (瞬感リスグラシュ)
 * 3) Oshiete Darwin (教えてダーウィン) (off Vocal)
 * 4) Shunkan Lys Gracieux (瞬感リスグラシュ) (off Vocal)
 * 5) Self Introduction Voice (Ishitobi Erika)
 * 6) Self Introduction Voice (Konno Yuzuki)
 * 7) Self Introduction Voice (Tomizawa Eri)
 * 8) Self Introduction Voice (Yanagi Miri)

Regular Edition B CD

 * 1) Oshiete Darwin (教えてダーウィン)
 * 2) Over The Future
 * 3) Oshiete Darwin (教えてダーウィン) (off Vocal)
 * 4) Over The Future (off Vocal)
 * 5) Self Introduction Voice (Kariya Miki)
 * 6) Self Introduction Voice (Kiryuu Akane)
 * 7) Self Introduction Voice (Nakajima Yui)
 * 8) Self Introduction Voice (Funato Yurie)

CD+DVD Edition CD

 * 1) Oshiete Darwin (教えてダーウィン)
 * 2) Shunkan Lys Gracieux (瞬感リスグラシュ)
 * 3) Over The Future
 * 4) Oshiete Darwin (教えてダーウィン) (off Vocal)
 * 5) Shunkan Lys Gracieux (瞬感リスグラシュ) (off Vocal)
 * 6) Over The Future (off Vocal)

Anime Collab Edition CD

 * 1) Oshiete Darwin (教えてダーウィン)
 * 2) Oshiete Darwin (教えてダーウィン) (TV Version)
 * 3) Oshiete, Neetan. (教えて、ねーたん. ) 『セントールの悩み』ボイスドラマ
 * 4) Shunkan Lys Gracieux (瞬感リスグラシュ)
 * 5) Oshiete Darwin (教えてダーウィン) (off Vocal)
 * 6) Shunkan Lys Gracieux (瞬感リスグラシュ) (off Vocal)
 * 7) (Enhanced) Purely Monster Wallpaper/System Voice

CD+DVD Edition DVD

 * 1) Oshiete Darwin (Music Clip)
 * 2) Oshiete Darwin (Music Clip Making Video)
 * 3) Self Introduction Video
 * 4) (Enhanced) Artist Photo/Oshiete Darwin CM Data/Oshiete Darwin High Quality Music Clip(mp4 Data)/Logo Data/Self Introduction Video(mp4 Data)

Featured Members

 * Tomizawa Eri
 * Ishitobi Erika
 * Yanagi Miri
 * Konno Yuzuki
 * Kariya Miki
 * Kiryuu Akane
 * Nakajima Yui
 * Funato Yurie