Chishio is a member of the Blood Demon Clan in Yokaigakure. He was born on the Eight of August, 888 years since the founding of the Clan. He was the Eight born on that day, also born at exactly 8:08. Since eight is the sacred number of the Clan, he was heralded as the Prince of the Clan. He gained the best training in the Clan, but grew distant from the rest as he just kept training to be the best. To bring Glory to the Clan and Village and be the Ultimate Executioner of their Patron God.