[ENGLISH-SUBTITLE] SONE-058 I thought it was just a convenient sex friend, but...I was more erotic than her, bolder, and played with like a little devil, and I fell into my vagina with my girlfriend's best friend, Tsubomi Mochizuki.

I was cheating on her... no, I was getting serious with her best friend. She's been acting weird lately. I've been having a blast ever since I joined my university club. And then she stopped wanting to have sex with me. Immediately after she bro