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.
Then you'll be the leader of the prank team.
.ستكون قائد فريق المقالب إذًا
Dann ernenne ich dich hiermit
zum Leader des Prank-Teams!
Entonces está decidido,
tú serás el líder.
Entonces, está decidido,
tú serás el líder.
C’est décidé, tu seras le chef
du groupe des farceurs.
Allora sarai il leader
 della squadra degli scherzi, che ne dici?
Então você é o líder do
time das pegadinhas.
Тогда назначу тебя лидером
команды для розыгрыша.