Noona who likes her dongsaeng or rather loves is impossible but not Ji Hyo who likes Kwang Soo. Ji Hyo has been harboring feelings since they first met because Kwang Soo was the one who made him feel comfortable, took care of him and was always by his side. But Ji Hyo doesn't know how Kwang Soo feels about him, Kwang Soo always tells others, if Ji Hyo is just his family. Because of that Ji Hyo never revealed her feelings to Kwang Soo.