Nanami Momozono is alone and homeless after her dad skips town to evade his gambling debts and the debt collectors kick her out of her apartment. So when a man she's just saved from a dog offers her his home...

A hundred years ago, the ghost king Jiang Yiwei brought the evil spirits of hell to ravage the six realms, causing all beings to be wiped out, all things killed, yin and yang reversed, the six reincarnation ...