Kang Ha-yeon has always been two things: too fast and not fast enough. A varsity track runner without the times to prove she belongs on the podium, she lingers in the half-shadow of victory — good enough for practice, not good enough for glory. She’s also a nerd in a world of selfies and social feeds, a math geek whose natural habitat is the chalkboard, not the cafeteria. Somehow, this has made her the perfect target for teasing, the reluctant punchline to half the school’s jokes, and a perpetual “also-ran” in the eyes of her peers.