I got a girlfriend for the first time, so I decided to practice having sex and creampies with my childhood friend.

I've got my first girlfriend for the unpopular person, but as a virgin, I don't really know how to deal with girls! At times like this, I'll talk to my childhood friend Nao, who has been doing anything since I was little! Then he unexpectedly suggested, "For now, why don't you just let me lose my virginity?" I don't want my girlfriend to find out she's a virgin and I don't know how to do it, so I decided to practice sex with Nao! I finally realized this while having sex with Nao, who teaches me about blowjobs, cunnilingus, and even creampies... I···