Do-yul, the son of the world’s most feared assassin leader, transfers to a high school in Korea with nothing but the clothes on his back.

When he sees Dong-gu being tormented by bullies, he decides to lend a hand—for a price. Using his deadly skills, Do-yul takes down the bullies one by one, sending shockwaves through the school’s hierarchy.

This is the story of a man rising to become the strongest in the world of War with the Bullies!