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, you heard Sacchan's 
voice coming from here?
ماكّون، سمعت صوت ساتشان قادمًا من هنا؟
Mukkun, als du Sacchans Stimme gehört hast,
kam sie da aus dieser Richtung?
Mukkun, ¿de aquí vino
la voz que escuchaste?
Mukkun, ¿de aquí vino
la voz que escuchaste?
Mutsuki,
la voix de Satsuki venait d’ici ?
Mukkun...
Mukkun, você ouviu a voz
do Sacchan vindo daqui?
Муцу, ты отсюда слышал голос Сацу?