Mei Tachibana's difficult reality is that friends cannot be trusted, as evidenced by her unjust blame for the death of a classroom pet by her supposed allies during her formative years. As a result, Mei has maintained her distance from others to avoid further harm. However, her life takes an unexpected turn when Yamato Kurosawa, a prominent student, crosses paths with her due to a misunderstanding in high school. Despite Mei's hesitancy, Yamato is intrigued by her and desires her companionship. Eventually, after saving Mei from a stalker with a kiss, Yamato and Mei become a couple, and Mei gains not only a romantic partner but also friends. Nonetheless, Mei struggles to adapt to this new reality, particularly when it comes to conveying her true feelings to Yamato. Despite misunderstandings and other girls' attention, Mei and Yamato's bond strengthens as they explore the challenges of their relationship, ultimately unveiling the power of three significant words: "I love you."