Kibayashi Rento, a unique individual embodying a supernatural entity from an Ent lineage, faces a peculiar predicament when his arm is severed during a rescue mission for a cat. In his search for the missing limb, he encounters Kurashina Saya, a girl from a Ghoul family, who locates and returns his lost arm. As Rento harbors feelings for Saya, a fellow 'personification' with a distinctive appetite for human flesh, the question arises: can love flourish between these two unearthly beings?