"His serious kiss changed my life" -Mei Tachibana Mei Tachibana has spent her 16 years without making friends nor boyfriend. One day, she injures the most popular in school, Yamato Kurosawa , just because of a misunderstanding but for some reason it seems that he takes a liking her and one-sidedly claims that they're friends. Furthermore, he not only protects Mei from a stalker, he does it with a kiss.