An aspiring drummer suddenly loses her spot in the band. But when a brilliant musician recruits her for his new band, her life takes a passionate turn.

Masajiro Miyazawa owns and runs a pawn shop for generations. His first son is Kenji and his daughter is Toshi Miyazawa. Kenji is supposed to take over the pawn shop as the first son, but he refuses. Masajiro is soft on his son. Meanwhile, Toshi is smart and wise. She gives advice to her father and her older brother. One day, Toshi gets sick.

Six complete strangers with widely varying personalities are involuntarily placed in an endless maze of interlocking cube-shaped rooms containing deadly traps.

Days before graduation, an unassuming teacher takes his class hostage: he's determined to confront the truth about their classmate who died by suicide.

Middle schooler Nazuna desperately wants to run away with her classmate Norimichi, who somehow turns back time on this fateful summer's day.