Ah? the Underworld System Begins with a Soulful Duet on the Rooftop

In the Early Stage, the Protagonist Mixes on Campus and in the Later Stage, He Mixes in Society, Similar to Who and the Fight

Is There Any Good-Looking Begging Similar to the Underworld Student?

A Cool Article About Systematic Gang Fights on Campus

Campus Literature of Gangsters

I remember there was a school novel. The male and female protagonists were both underworld. The male protagonist was named Ouyang or something. The male and female protagonists both had underworld organizations.