Puzzle

A high school student survives a rooftop jump. A month later, masked individuals take control of the school, a pregnant teacher is locked up, and the head director along with male students vanish. A classmate named Shigeo gives an envelope containing puzzle pieces to the student, Azusa, who discovers they are crucial to solving the mystery. Pursuing Shigeo, Azusa witnesses an event beyond comprehension.

Isinasalin pa — orihinal na teksto sa English.