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.
is that one of us five has 20 million in debt,
،هو أحدنا نحن الخمسة مديون بعشرين مليون
dass jemand von uns hier
20 Millionen Yen Schulden hat
tiene una deuda de 20 millones
tiene una deuda de 20 millones
que l’un de nous cinq
doit cet argent,
è che uno di noi ha un debito di venti milioni
é que um de nós cinco fez uma dívida
что на ком-то из нас 
висит долг в 20 миллионов