MIAA-054 Since I got my first girlfriend, I decided to practice sex and internal ejaculation with my childhood friend. Miyatani Shuri

I finally got my first girlfriend, but as a virgin, I have no idea how to go about dating! In times like these, I can only consult with my childhood friend Shuri, who's been with me since we were kids. Then she says, "Why don't you just lose your virginity with me for now?" What an unexpected proposal! I don't want my girlfriend to find out I'm a virgin, and I have no idea how to go about it, so I decided to practice sex with Shuri! She teaches me everything from blowjobs to cunnilingus to intercourse. It's only after having sex with Shuri that I finally realized...