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.
Mukkun, it's all right.
.ماكّون، لا تقلق
Mukkun, es wird schon alles gut sein.
Todo estará bien, Mukkun.
Todo irá bien, Mukkun.
Tout ira bien, Mutsuki.
Mukkun, non ti preoccupare.
Mukkun, vai ficar tudo bem.
Муцу, всё будет хорошо.