One Piece: The Ninja Who Started as a Fisherman

Qi Kang was hit by a car while saving a girl and came to the pirate world. At the beginning, a funny guy gave him [Uchiha itachi template], [pokemon: Dark crow] and a [fisherman occupation] that could improve his physique by fishing, and then he successfully mixed into the straw hat.

Ps. If I want to write something light, I may write more daily life...