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.
Sounds like fun! You can count on me!
!يبدو أمرا ممتعًا! أريد الانضمام
Das klingt nach Spaß!
Lassen Sie mich das machen!
¡Se oye muy divertido! ¡Déjamelo a mí!
¡Suena divertido! ¡Déjamelo a mí!
Ça a l’air marrant !
Je peux m’en charger ?
Sembra divertente! 
Lasciate fare a me!
Parece bem divertido! Deixe comigo!
Звучит интересно! Я согласен.