Sayu's Mother (沙優の母, Sayu no Haha) is a minor character in the Hige wo Soru. Soshite Joshikousei wo Hirou. series. Portrayed to be a cold and uncaring person, while only caring about her brother's achievements in their family business. This and her asking if her daughter Sayu really killed Yuuko Masaka triggers Sayu to leave the household and left her emotionally unstable. (Source: Higehiro Wiki )