"Until now, sex three times a week was the norm, but recently it's been happening less and less. Ever since I met you..." Atsushi reunites with his college friend, Yuji. Yuji's wife, Ririko, whom he married a few years ago, is not only beautiful, but also loves sex, and boasts that their marriage is going well. Feeling overwhelmed by his sexual prowess, Atsushi secretly visits Ririko and forces himself on her. Atsushi is out of control...