MIDA-616 · Defeated by the No-Bra Temptation of My Girlfriend's Sister, I Drowned in Her Huge Raw Tits - Yua Fukuda

It was all fine when I decided to visit my new girlfriend's house, but it turned out she has a sister living with her. When I first met the sister, she was so stunningly beautiful that I thought an angel had descended. However, her true nature as a cock-hungry, adolescent J-girl—the complete opposite of my girlfriend—soon revealed itself. She was a no-bra little devil who used her breasts to tempt me with everything she had. With my girlfriend right there beside me... is this kind of trial even fair!?