Hiroyuki, a young man who was fired from his company and kicked out of his home, is forced to stay with his older brother and his wife until he can find a new job. However, he doesn't have a place at home with his brother and his wife, and every day he receives abuse from his older brother, who tells him, ``You're a pathetic man who's still a virgin even at 30 years old.'' Hiroyuki, who wants to gain confidence no matter what, makes his lifelong wish that his brother's wife, Ai, take her virginity from him. Ai sympathizes with Hiroyuki and allows her body for just a little bit, but ``the moment he inserts it'' she is attacked by a numbing pleasure...