“We used to have sex three times a week, but lately it has dropped off—right around the time you came back into my life.” Atsushi reunites with his college friend Yuji, who boasts that his beautiful wife Ririko loves sex and that their marriage is thriving. Burning with uncontrollable lust, Atsushi secretly visits Ririko and forces her down. She resists but still climaxes under his relentless stamina. After he creampies her four times a day, five days a week, Ririko finally finds her husband can no longer satisfy her...