[PPPE-086] Her Sister Seduces Me with Big Tits and Nakadashi OK 99 Mei

The protagonist has a girlfriend who is very strict about using condoms, which creates a growing frustration on him.

Lucky for him, he meets with her sister, Tsukumo Mei. A much more mature woman, who has big tits, doesn’t care about cheating, and even more, she can’t be bothered about condoms.