Living alone with my deeply hated father, one day an unexpected person suddenly appeared—someone clearly mismatched with him, a strikingly attractive woman named Hitomi. She constantly flaunted her cleavage and panties in front of me. Though I couldn't help but stare, I truly despised her. Then, when my father was hospitalized after an accident, Hitomi moved in to take care of me, leaving us alone together. Amid a strange and shifting atmosphere, our relationship slowly began to change...