Mashiro is a college student who loves kissing. With the belief that "kisses are infinitely better than sex" he pursues the ideal kiss, but he still has yet to find the lips that will satisfy him. One day, he's asked by his undeniably popular classmate Tooru, "teach me how to kiss well." It turns out Tooru has a past of being mocked for his poor kissing. Even though it's his first time with a guy, Tooru's lips are just what Mashiro likes and he starts to enjoy the lessons. But when he's forced to respond to Tooru's request to "kiss while touching," it's the greatest feeling ever! After that, he starts to feel conscious of Tooru...!? A romance between an ikemen who's bad at kissing × a boy with a kiss fetish that starts from practice.