Since I first got a girlfriend, I decided to practice sex and ejaculation inside her with my childhood friend, Jinguji Nao. (MIAE-281)

I had my first girlfriend because I was unpopular, but I was a virgin, and I really didn't know how to interact with girls! At times like this, I would consult my childhood friend Nao, who had done everything with me since we were little! Then, unexpectedly, she asked, "Now, why don't you lose your virginity to me?" I didn't want her to find out I was a virgin, and I didn't know what to do, so I decided to practice sex with Nao! When I had sex with Nao, I finally realized this; Nao taught me oral sex, clitoral stimulation, and even internal ejaculation…