Karin is about to go on her first date with the boyfriend she recently started seeing. Wanting him to find her cute, she decides to take an affordable makeup lesson. There, she meets Himari, a beauty advisor. Karin finds herself gazing at the tall and beautiful Himari with a look of admiration. And so, the makeup lesson begins, but Karin's heart flutters as Himari's sense of distance is unusually close. Furthermore, Himari suggests they even practice kissing, saying it's okay since they're both girls...?