He has ruffled, black hair with burgundy tips, combed back to expose his forehead, and wide, dark red eyes with white pupils that appear lighter around the lower section of his irises.
Both swordsmen are shining examples of kindness even in battle and proficient in their ability to weaponize their own breath, but only one can come out alive.
The problem is that he needs to get upper-rank demon blood to help Tamayo, who is working on cures for demonhood.
His sister Nezuko was the only survivor, now transformed into a demon, but he decides to keep her by his side to cure her.
He naively believed the Mugen train was perhaps the land's guardian spirit and, just like Inosuke, he does not know what a red-light district is.