It's been seven years since Ayaharu was dating her current boyfriend. My boyfriend's best friend, Yuta, has always been by my side since I started dating. Someday, it became commonplace for three people to be together. Ayaharu was able to unknowingly show a defenseless figure that only her boyfriend could see in front of Yuta. However, for Yuta, who had been secretly thinking of Saiharu for seven years, it was a cruel stimulus.