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.
Class Lesson 
When You See a Stranger, Expect a Thief.
درس الفصل 
.إن رأيت شخصًا غريبًا، توقّع لصًّا
Jahrgangsvorsatz:
Traue niemandem über den Weg!
Objetivo de la clase
Considerar a todo el mundo un ladrón
Objetivo de la clase
Considerar a todo el mundo un ladrón
donne-nous la réponse !
Lezione per la classe
Quando vedi uno sconosciuto,
aspettati che sia un ladro. 
Não confie em estranhos,
sempre espere pelo pior
Сегодняшний урок: видишь человека — ожидай вора