"3 days a week, having sex with my wife." My proud friend got 20 ejaculations a week from me, 4 times a week, 5 days a week, then slept with that guy's wife. Niizuma Yuka JUR-648

"Lately, I haven't been seeing my wife as often. Perfect timing, starting from when I invited you over." Yuta reunites with his school friend, Takeshi. Takeshi's wife, Yuka, whom he married a few years ago, is said to be beautiful and very active in sex, a wife he's proudly described as "a good marriage." Yuta, with his excessive libido, is frustrated. Then, he secretly visits Yuka and forces himself on her. Faced with his uncontrollable brilliance, Yuka resists but also climaxes, and after being penetrated five days a week, Yuka finally feels dissatisfied with her husband…