Konna no Hajimete -Moteo no Honki no Dekiai Ecchi-

Hiyori longs for sweet days with her lover, and on the night she returns from the town hall, she meets a rude man who says, "Love is nothing." After that, I met Kuroto, who was just like I had imagined, and had my first date, my first kiss, my first sex, and my life as a lovey-dovey couple