FSDSS-769 — “If it’s just titty fuck, it’s not cheating, right? - ” Rin Yamitsu is tortured by her sister with the most pleasant titty fuck while she is not allowed to masturbate, and is in an endless loop of ejaculation management for 7 days.

My girlfriend, who I live with, is wearing a chastity belt because she suspects me of cheating on her. - One day, my girlfriend's older sister Rin comes to live with us for a week because she can't sleep due to the construction noise... - I happened to see Rin after taking a bath and I couldn't help but get an erection! - My older sister Rin found out about my chastity belt. - For fun, he played with my chastity belt... - That's how the little devil sister Rin's one week of titty fuck ejaculation management begins! - "Please lend me your breasts, sister. I can't hold back anymore!"