You Were Asked to Take Charge of a Class with Poor Students, but All the Students Ended up Being Top Students?

The reborn old bird enters the school, mixes into a group of young chicks, and accidentally enters the bottom class Z. The leading brother attempts to lead a group of his scumbag younger brothers to counterattack. The campus life of chaos begins. The author has always taken a fresh route, not pornographic at all, not violent at all...