ステンドグラスは砕かれた

Stained Glass wa Kudakareta

In a world populated by anthropomorphic birds, a girl hired to slay a monster who terrorizes a nearby village with creepy noises finds a mysterious chained up boy instead. She embarks on a quest to solve the mystery behind the boy's indestructible collar and his monstrous right hand encased in colorful shards of broken glass.