The tale of outcasts

In Victorian England, the young orphan Wisteria begs for scraps. Able to see through demons’ disguises, she befriends the immortal Marbas, lonely after centuries of solitude. He finds kinship with the human girl, even while evading the brutal Sword Cross Knights—including Wisteria’s brother. Is it possible for two souls so different to find happiness together, and what price must they pay?