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.
Oh! I get it!
!فهمت
Oh! Jetzt versteh ich!
¡Oh, ya entiendo!
Oh, ya entiendo.
Oh, je vois !
Oh! Ho capito!
Ah, faz sentido!
О! Я понял!