[Reducing Mosaic]MIAE-103 Since it was my first time having a girlfriend, I decided to practice sex and internal ejaculation with my childhood friend.

I was confessed to by the Madonna of our school and started going out with her, but as a virgin, I have no idea how to handle a relationship with a girl! In times like these, I can only consult my childhood friend Nao, who has been with me since we were little. She then suggests, "Why don't you just lose your virginity with me?" What an unexpected proposal! I don't want my girlfriend to know I'm a virgin and I don't know how to do it, so I decided to practice sex with Nao! She teaches me fellatio, cunnilingus, and even internal ejaculation. It was only after having sex with Nao that I finally realized…