"I have sex with my wife three days a week." A friend of mine boasted about this, so I cheated on her with him, ejaculating inside her 3 to 4 times a week, 5 days a week, for a total of 18 times. (Ichiki Masahiro JUR-224)

"Since meeting you, I've been seeing my wife less often. This has never happened before..." Takeshi, a friend from university, reunites with Yuji after a long time. Takeshi is married; his wife, Mahiro, is beautiful and seems very active in their sex life. "We still have sex three times a week," Takeshi boasts. The exceptionally handsome Yuji, without a girlfriend, feels frustrated. Then, Yuji visits Mahiro and forces himself on her. Mahiro resists because of Yuji's stunning beauty, but still experiences multiple orgasms. And because Yuji penetrates her every Friday, Mahiro is finally no longer satisfied with her husband...