He was a poor student who was isolated by the whole school, until that day he punched the school bully who bullied others. From then on, there was an undercurrent in the school, and various forces tried to attract him. From the back alley of the cafeteria to the decisive battle on the rooftop, he stepped on each opponent to gain the upper hand. On the day of graduation, the boss of the city's underground forces came to pick him up in person - it turned out that he was the one who had hidden the most.