Forgotten promises.... (Ni-ki)

As the class president, you take it upon yourself to help Sunghoon, the new student, adjust to school life. But spending more time with him means you unintentionally drift away from Ni-ki, your childhood friend who has feelings for you. When Ni-ki finally confesses his love, it's already too late your heart has already found someone else. The friendship, jealousy, and heartbreak, can any promises be truly kept?