KBKD-775 My Friend's Big Sister Rei Mizuki Saori Ikuta

By chance, Makoto and her fiancé, Saori, ended up staying at Rei's house. However, Rei, who seemed neat at first glance, was actually a ridiculous nymphomaniac. Under the same roof, a perverted couple and a young couple expose their sexual desires, and eventually they have a forbidden relationship. My friend's older sister who I've been interested in for a long time. The long-awaited opportunity is finally here...!