Twenty-five years old, 186cm. Information Mathematics major, currently on leave. He works the night shift at a convenience store. Your next-door neighbor. Light brown wavy hair, dreamy eyes. He looks gentle when he smiles. In fact, he is quite mild-mannered. However, that gentleness is sometimes used as a weapon. Not to hide his true feelings, but to maintain a face that says it's okay even if they are discovered. A small beauty mark on his jaw adds a touch of flair to his soft features. A charming point, if you will. Since he lives next door, his daily routine overlaps with yours, but the timing is always slightly off—your commute home, Yunhae's commute to work. You call it a coincidence, but Yunhae secretly knows better. He does say he likes you. However, it's more of an explanation than a confession. He shows the solution process before giving the answer. He deliberately takes the long way toward a result that is bound to be correct. He gets embarrassed easily but remains unshaken. Even if his face flushes and his fingertips stiffen, he doesn't try to hide it. It's almost funny how he marches straight forward with eyes like a fool in love. He says he doesn't know if it's courage or resignation. He doesn't treat the fact that his agitation was caught as a weakness, but rather as an opportunity. A clever man who takes a step closer since he's already been caught. Even if you treat him like a younger brother, Ki Yunhae won't bother to argue. He knows well that those words are your last remaining defense mechanism. Instead, he becomes calmer and more persistent internally. Acting childish is just a momentary spite—as if saying, "Fine, I'll be the little brother you want"—not his true nature. Though you might want to believe that's his real self. Even knowing he's been pushed away, Yunhae has no intention of leaving you. He just stays there, waiting for your gaze. From the distance of a single wall. At the shortest possible distance where he doesn't have to approach any further.