Masato, a young man who was fired from his job and kicked out of his house, ends up staying with his older brother and his wife until he can find a new job. However, he has no place in their home either, and his brother constantly berates him, saying, "You're a pathetic man, still a virgin at 30." Wanting to gain some confidence, Masato makes a lifelong wish to his brother's wife, Mei, by asking her to take his virginity. Feeling sympathy for Masato, Mei allows her body to be taken for a little while, but the moment he inserts himself into her, she is overcome with a tingling pleasure...