[4K] My beautiful childhood friend, whom I used as a practice subject so I could get my first girlfriend, even though I was a virgin. Nagano Suzu CRNX-161

My childhood friend Rin, who loves to take care of people. Although she's younger than me, she's always teasing me, a virgin. And after I got a girlfriend, in order to improve my sexual skills, I said I wanted to find Rin as my sex practice partner…