[BAGR-079] Gals, Otaku, and Me Are During Summer Vacation Supplementary Lessons

I failed the semester-end test, so I don't have a summer vacation. The lively classroom, boring supplementary lessons, the otaku Kishinaga sitting next to me is so serious it's boring, and in the back seat, the gal Sena complains. My youth slowly withers... That's how it should be. Everything changed the moment the plain woman Gishinaga picked up the dirty joke about the promiscuous Sena. Through dirty jokes, we literally became one. Gals and otaku, lewd talk and lewd acts—our sexual spring blooms wildly during summer vacation. It's all because of summer...