For her mother, Fumi, who is busy with housework and part-time work, the massage that her son gives her every night is a comfort. My son wanted his mother to feel more comfortable, so one day I borrowed a massage table and oil from a friend and decided to give him an oil massage. Fumi seems to be satisfied with the massage, which has a different atmosphere than usual, and the enthusiastic son gives a massage to his chest. Then, a woman's breath begins to leak from the mother's mouth, and the son rubs his chest even more violently at the glossy expression of his mother, which he has never seen before, and eventually his hand reaches out to the secret part of his mother.