Mei Tachibana, a 16-year-old girl, has spent her life without forming any close relationships. However, her life takes an unexpected turn when she accidentally drop-kicks a popular boy, Yamato Kurosawa, due to a misunderstanding. To her surprise, Yamato takes a liking to her and claims they're friends, despite having no prior connection. His one-sided declaration of friendship is further complicated when he begins to protect her from a stalker, using a kiss as a means to intimidate the aggressor. As their unlikely friendship deepens, Mei finds herself drawn to Yamato's unwavering dedication, but their relationship remains a complex and delicate dance.