Despite being surrounded by girls, Nao is a well-liked guy. Kosei, on the other hand, has a kind soul and is a breath of fresh air at school. Despite their differences, these two popular individuals seem to be drawing closer to each other. However, Nao has a tendency to kiss people at random. Meanwhile, Kosei struggles with the concept of love. As their kisses grow in intensity, their love story becomes even more exhilarating.