Valgreif

Shiso is a vampire and grandfather of Rurushi Ru and Flora Sakutou and ancestor of all vampire races. He visited Taiju Village after learning his granddaughter had indeed given birth, which among vampires is very rare event.

He shared with his grandson in law, Hiraku Machio, he periodically erases his memories from time to time (last time 300 years ago) in order to survive. As part his priorities he never forgets his family. His ability to erase his memories through his magic.

He would reveal that in his youth, that he had meet one of the "gods" Hiraku Machio had made wood carving/statue based on his memory of the god that resurrected him, this god name was God of Creator. He was told by God of Creator time his youth, he had unusual body, to do best he could. Hiraku had found Shiso had bowed to the statue of God of Creator whom he worship as child when he meet him. Though he can not recall anything of his physical appearance.

He would shortly after commission Hiraku to create another statue for himself. After spending time with his grandson, he would return to his "home". He would go to visit central church, which appears to worship God of Creator and presented them with new version carved by Hiraku. Shiso is seen as a "Lord" of this land, unbeknownst Hiraku, Shiso had arrange that church would provide support to Taiju Village.