atau dikenal sebagai
An unemployed man learns that his ex-girlfriend was murdered. He suddenly finds himself travelling through time to his middle school years and has chance to change the future and save the girl. He aims to rise to the top of the most brutal delinquent gang.
A school appears peaceful from a distance, but a fierce gambling battle takes place once again. Yumeko Jabami is involved in the battle.
The first-person protagonist is a 27-year-old freelance writer who returns to her hometown from Tokyo, and she gets together with high school friend Satsuki and cameraman Suga to see Shiina, who they all admired in high school. Along the way, vivid memories from high school replay in the protagonist's mind.
High school student Shun Takahata is bored. Bored with the day-to-day monotony of school and life, he prays for change, for something exciting. Suddenly, he and his classmates are forced to play deadly children's games and facing terrifying creatures from a talking Daruma doll to a sharp-clawed lucky cat.