Path of the Sword

A baby born from a rock, the monster in others' conversations, married into his wife's family in accordance to his master's orders when he grew up, and he yet again gained another title as a toyboy. But who knew, I am actually an absolute sword saint that looks down upon the world, so what if I am a monster, so what if I married into another family, I shall sweep through the world of Huan Yu.

(Source: MangaDex)