After the hard-earned funds for their expensive high school class trip are stolen, sophomore Yuichi and his four best friends are kidnapped by Manabu, a surreal character from a creepy late-night anime show. The mischievous Manabu challenges the students to a series of mind games that the five must decipher and outwit in order to win back their trip funds, uncover the thief, and pay off a huge and mysterious debt.
Someone's trying to dump all the debt 
on Kokorogi and finish after just one game!
يحاول أحدهم أن يضع كلّ الدّين على 
!عاتق كوكوروغي وينهي الأمر بلعبة واحدة
Will etwa jemand mit Absicht
Kokorogi alle Schulden aufhalsen
¿Alguien quiere endosarle toda
la deuda a ella y acabar con esto?
¿Alguien quiere endosarle toda
la deuda a ella y acabar con esto?
Quelqu’un veut nous pousser
au game over
Hanno intenzione di scaricare tutto il debito su Kokorogi 
e lavarsene le mani vincendo il gioco?!
Alguém está tentando empurrar
toda a dívida para a Kokorogi.
Кто-то решил скинуть весь долг на Кокороги
и покончить с этим в первой же игре?!