Utsukushiki Zankoku na Sekai

 is the debut single released by Hikasa Yoko. The lead track was used as an ending theme for the anime Shingeki no Kyoujin.

Single Information

 * Lyrics: Mike Sugiyama (Track 1), Inaba Emi (Track 2)
 * Composition: Ishizuka Rei (Track 1), Nara Yuuki (Track 2)
 * Arrangement: Negishi Takayuki (Track 1), Nara Yuuki (Track 2)
 * Guitar: Komoguchi Yuya (Track 1), Nara Yuuki (Track 2)
 * Strings: Koike Hiroyuki (Track 1)
 * Bass: Sakurai Rock (Track 2)
 * Drums: Yamauchi "masshoi" Yuu (Track 2)

CD

 * 1) Utsukushiki Zankoku na Sekai (美しき残酷な世界)
 * 2) Starting line
 * 3) Utsukushiki Zankoku na Sekai (美しき残酷な世界) (Instrumental)
 * 4) Starting line (Instrumental)

Limited Edition DVD

 * 1) Utsukushiki Zankoku na Sekai (Music Video)