Ahiru no Sora Wiki
Ahiru no Sora Wiki

What Must Be Protected (守るべきもの, Mamorubeki-mono) is the thirty first episode of the Ahiru no Sora anime. The opening theme is Humming Bird which is performed by BLUE ENCOUNT. The ending theme is Hikari Sasu Hou e which is performed by Mamoru Miyano.


As the end of the game draws near, the players of Kuzuryū High push themselves to the limit. Only one thing's for certain: Stamina will decide their fate.


Characters by Appearances

Episode Staff

  • Storyboard: Shinji Ishihira
  • Director: Yu Komori
  • Animation Director: Mubon Hyeongjun, Jeon Hyunjin, Kim Jieun, Jang Minho