Dominant Student in Vocational School

Starting from school and moving towards the world step by step, he, who is supposed to be a good student, will experience earth-shaking changes in his life from the moment he enters a vocational school. How did he become a strong man without any background? Is it blood, a brother, or a woman? See how the protagonist Dafa leads a group of brothers from school to dominate the underworld. How he, who should have been cheerful, became cold-blooded.