Kagurabachi

Chihiro is a young boy who trains daily under his renowned swordsmith father, aspiring to one day craft swords of equal skill and prestige. Their lives, marked by a contrast between the father's lighthearted nature and the son's solemn dedication, are abruptly shattered by a violent tragedy. After a day filled with bloodshed, Chihiro and his sword are driven by a singular purpose: revenge.