During his college days, Koji married his junior club member, Takako, and lived a very ordinary life. One day, Ayumi, a friend of Takako's from the same club, came to stay over. Koji had always liked Ayumi and couldn't suppress his pounding heart. 'If only Ayumi were my wife...' Koji indulged in his selfish fantasy. Then one night, an opportunity like a dream suddenly arrived! The train stopped running, and his wife Takako couldn't come home…
