HOMA-088 My girlfriend, who was sleeping next to me, was completely fucked by my best friend right next to me at night, and she was completely smitten. Mizuki Yayoi

I got a really cute girlfriend. I'm a bit embarrassed and haven't been able to confess my feelings properly, but... I wanted to cherish this love, slowly developing our feelings for each other. My best friend is teasing me but supporting me, and Mizuki also loves me...I believed that. But there was a side to her that I didn't know about. What is the smile you are showing in front of me?