ふたごわずらい (Series) favorite_border

Volume 1 Introduction: "Ako Izumi" and "Komachi Izumi" are twin sisters. Although they have known each other since childhood, in their senior year of high school, Ako felt a vague sense of unease and uneasiness. Ako, seeking a place to find emotional support other than Komachi, forcefully approaches her assistant homeroom teacher, Maki Osawa, in the classroom after school and kisses her. However, her younger sister Komachi is watching from the opposite school building... The love between these t...