A young boy who has no memory of his past. The only thing he remembers is the vision a demon and a red field of vision. In order to find out what happened, he travels around Japan searching for the demon. He eventually finds Zankuro and kills the demon. But after he slays Zankuro, he realizes the demon within himself. Soon after, he senses the spirit of Zankuro again in the
Amakusa castle. To slay Zankuro for good, he heads for Amakusa castle.

Miscellaneous Facts and Notes

He is not Zankuro's son

He is the one who destroyed his own village

He's based off of Himura Kenshin from the manga "Rurouni Kenshin".
(the developers admitted to this in an interview)

He is staying with Kusare Gedo's daughter, Hakana, and her husband in SS0. The
husband was killed in battle, and Hakana got eaten by Kusare Gedo.

It seems his real name is Jin