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.
S-Someone here is a traitor. 
But for what reason?
أ-أحدنا خائن. لكن لأيّ سبب؟
I-Ist etwa ein Verräter unter uns?
Aber warum würde er oder sie das tun?
¿Hay un traidor entre nosotros?
¿Hay un traidor entre nosotros?
C-C'è un traditore tra di noi! 
Ma per che motivo?!
Среди нас затесался предатель?