Born in 1012, Bureizu's early life was marked by tragedy when his village was attacked, and he lost both of his parents at a young age. The grief he carried became the source of his strength as a samurai. Mastering a unique swordsmanship style, he embraced his sorrow, using it to fuel his calm and graceful fighting techniques. Throughout his travels, he defended the weak and sought justice, becoming known as "The Samurai of Sorrow.".