Ông Trùm Làm Thầy Giáo

Follows Jax, a legendary mercenary king "Ghost," who retires to become the teacher of the notorious Z-Class at elite St. Crest Academy. Using absolute violence and intellect, he tames rebellious elite heirs. When dark syndicate boss Victor strikes, the heirs' ultra-rich parents unite to back Jax, helping him reclaim supreme power.