Utsukushiki Zankoku na Sekai

 is the debut single released by Hikasa Yoko.

Single Information
Utsukushiki Zankoku na Sekai was used as the first ending theme for the anime Shingeki no Kyoujin.
 * 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)