Zenbu sinker chan no sei / Shiori

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

"You. are big, aren't you?" In the after-school class, sinker, the cleanest and most beautiful girl in school, talked to me while holding her hand! I, Tota, who became the subject of research in evolutionary psychology, decided to go out with sinker from the first day of conversation! Young love comedy spending time with the cleanest and most beautiful girl JK who is interested in "human sex"!