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.
"Darn, darn, darn," says that 
sulking heart, and here it will...
...تبًّا تبًّا تبًّا" يقول ذلك القلب العابس، وهنا سوف
„Mist, Mist, Mist“, flucht mein
schmollendes Herz, und dann …
"A-A-A-Accidenti" dice quel cuore imbronciato, 
e lo farà qui, qui e qui
"D-D-D-Droga", diga isso com
o coração amuado, e aqui vai...
Се-се-сердце
обиженно ругнётся, потом...