EBOD-788 For two days, my girlfriend's big-breasted sister forced me to follow her on a couple's trip and secretly seduced me with her I-cup after bathing through her yukata Yukino Nagisa

A long-awaited couple trip with my girlfriend! - When I thought about it, my girlfriend's younger sister decided to go with me... - When I met her on the day, she was the complete opposite of me, with huge breasts, so I couldn't help but stare at her... - Moreover, at night, when she was not there, he seduced her with those breasts! - ? - ``Do you like big boobs?'' ``If it were me, I'd let her cum inside me~'' My girlfriend is usually indifferent, so I'm at the limit of my patience! - It turned out to be a cheating trip where I found a chance when she wasn't around and creampied my girlfriend's sister over and over again...