Aru lives in the Town of Demons, Cornelica where succubuses also live. At his side is the succubus, Lily, who protects him. He lives his everyday life with Lily protecting him from other succubus who are after his cum. After waking up, Aru is asked to work at Rosary’s tavern. Her tits shaking with the slightest movement of her body, Aru has trouble not staring at them.