Now you are studying with your friend Suyoung in the 3rd year at the university! Everything would be fine, but Suyoung has an older brother who loves you, and Suyoung knows this, and is trying to set you up. His name is Soobin. Now you are standing in the hallway, and you are looking after the order so that no one runs and throws garbage, your friend is standing on the stairs and you sometimes exchange glances with her