Kagurabachi

A brief description of the manga Kagurabachi:

From Shueisha:
Young Chihiro spends his days training under his famous swordsmith father. One day he hopes to become a great sword-maker himself. The goofy father and the serious son–they thought these days would last forever. But suddenly, tragedy strikes. A dark day soaked in blood. Chihiro and his blade now live only for revenge. Epic sword battle action.