Youtou Kodoku Hyatsukitan
妖刀蠱毒百鬼譚
A boy named Kirimaru loses his parents at age 10 when they are killed by a man in a demon mask using a cursed sword. His home is destroyed in the attack, and he becomes determined to seek revenge against the man who attacked him. He embarks on a journey to find his enemy, which also leads him in search of the sword used in the killing. The story follows Kirimaru as he travels through a land filled with ronin and monsters, facing battles and challenges along the way.