JUX-398 Tonight, I'm alone with my wife's friend... Ayumi Shinoda

Mitsunori is married to Takako, a junior from his university club, and lives a very ordinary life. One day, Takako's friend Ayumi, who was in the same club, comes to stay the night. Mitsunori has always had a crush on Ayumi, and he can't contain his excitement. "I wish Ayumi were my wife..." Mitsunori indulges in selfish fantasies. Then, one night, a dream-like big opportunity suddenly comes his way! The train stops, and his wife Takako is unable to return home...