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.
All right, fine. But don't tell
 the others. Especially Shibe.
.حسنًا. لكن لا تخبري البقيّة. لا سيّما شيبي
Bueno, pero no se lo cuentes.
Especialmente a Shibe.
Va bene. Ma non dirlo agli altri,
soprattutto a Shibe.