Principal Kuma Kocho has sent the IChu on a summer vacation as a present. Each of them set out to make the most of their vacation on a private beach reserved just for them, but Mutsuki seems unhappy somehow. Then, one by one, people start going missing... The IChu that are left find a mansion deep in the forest and head inside to search for their friends.
Wh-What was that?
ما-ماذا كان ذلك؟
W-Was war das gerade?
¿Qué fue eso?
¿Qué fue eso?
C’était quoi, ce bruit ?
C-Che cosa è stato?
O-O que foi isso?
Ч-что это было?