MDS-741 Double Kokomin Kokomi Naruse – Shinmi Naruse (Kokomi)

My older sister, Kokoa, is my younger sister, Kokomi's homeroom teacher. Kokoa is secretly dating a male student that Kokomi has a secret crush on. By chance, Kokomi is shocked to find him having sex at school, but she decides to take him away from her older sister Kokoa! However, the whereabouts of the love triangle will develop in a surprising direction! !