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.
In that case, maybe the debt 
belongs to one of the others.
.في تلك الحالة، ربّما يعود الدّين لأحد من الآخرين
Das bedeutet, …
Entonces será la deuda
de uno de los otros cuatro.
Entonces, será la deuda
de uno de los otros cuatro.
Dans ce cas,
Allora, forse, è di uno degli altri.
Nesse caso, não é a dívida
de algum dos outros?
Тогда, наверное,
речь о ком-то из них четверых?