Shirai Yui has decided to take a new job as a secretary at the law firm of her childhood friends, the Kami brothers. Yui has feelings for her older brother, Soichi, but when they meet again for the first time in 18 years, she is confused to find that Soichi has become a cool, unsmiling man. Meanwhile, her younger brother, Yushiro, has always loved Yui, but has not been able to express his feelings. And Soichi has been unable to express his love for Yui due to a childhood trauma. The love stories of Yui, who loves Soichi, Yushiro, who loves Yui, and Soichi, who is jealous of Yui's close friend, all intertwine.
Well-meaning but socially awkward, Kuronuma Sawako is nicknamed "Sadako" by her high school classmates because of her similar hair style with the main character from the horror movie "Ring." She doesn't have friends and goes about her day in quiet. She admires a fellow classmate, Kazehaya Shota, because of his easy-going and friendly nature, but unknown to her, Kazehaya has also been paying attention to her.
