A fire has broken out in the Angel's quarters. To Mint's dismay all of her kigurumi have been destroyed. With their friend close to the edge of despair, the others try their best to cheer her up. However, they find it increasingly difficult to conceal the identity of the culprit who started the blaze.
ミントが基地に帰り着くと、突然エマージェンシーコールが鳴り響いた。急いでエンジェルルームに向かうミントは、自分の部屋が燃えていることを知り…。
