Rina, a caregiver, has a fiancé, Shinji, who lives with his grandfather, Shuzo. Wanting to help Shinji, who works while also taking care of his grandfather, Rina offers to look after Shuzo. However, Rina to her feelings, Shuzo subject Rina to Rina sexual harassment! Shuzo caresses the beautiful girl's vulnerable body as his desire dictates... Rina resists a little, but gradually she begins to see Shuzo as a reflection of her late grandfather and accepts him without refusing. And so begins a twisted sexual caregiving relationship between Rina and the old man... #ChiefP