"I used to have sex three times a week, but recently the number has decreased. It's been like that since I met you..." Atsushi reunited with his college friend, Yuji. Atsushi, who was overwhelmed by the super-perverted Yuji who boasted about his wife, Ririko, who is beautiful and loves sex and whose marital life is going well, harbored a certain desire and secretly visited Ririko and forcibly knocked her down. Despite resisting Atsushi's uncontrollable perversion, Ririko climaxed, and Ririko, who continued to be creampied by Atsushi five days a week, finally became unsatisfied with her husband...