Muramasa  

Мурамаса, 村正

A man who possesses weapons capable of taking lives as if they were toys discovers that he too has become a plaything. Through his journey, he encounters a lifeless figure at the foot of a tree with a sword embedded within it. Upon removing the blade, he realizes its magical properties and immense strength. However, this newfound power comes at a cost, causing him to gradually lose his mind. The samurai must now make a decision: preserve his identity or sacrifice his sanity for unparalleled might.