Her husband is a middle-aged, naughty teacher. Every night, Yuri is fucked hard in intense sex, and little by little her body begins to feel pleasure, but for some reason she just can't climax. This is because the image of her ex-boyfriend remains in Yuri's Kokoro. One day, she calls her ex-boyfriend Megumi over and while they are having sex like they used to, her husband sees them, and before they know it they turn into a threesome, and Yuri experiences her first orgasm. (Sex 3, Blowjob 4)