99 Boss

Read manhwa 99 Boss / 99대장
Born with the heart of a tiger, Na Seon-wook was a troublemaker. But at the request of his parents, he hid his strength and transferred to Gukyang High School, a school located in a remote area that he thought would be quiet.
However, it was a place where various old-fashioned cultures and dangerous people gathered.
Seon-wook, who wanted to graduate quietly, eventually he couldn’t help but feel his hot blood and began educating them!