Should I have sex with my older sister? (Teenage Erotic Drama) Nagasawa Azusa KK-007

The stunningly beautiful and gentle "Nagasawa Azusa" makes her debut. Her cheerleader outfit further accentuates her ample bosom. She's surrounded by a younger brother who monopolizes her attention, and friends with ulterior motives. Even more worrying is that the older sister is a sexually voracious, promiscuous female college student who masturbates daily. Under constant sexual harassment from her friends… the older sister has no choice but to fight back with her massive breasts and her triumphant riding style!