"Am I not pretty?" Hee-joo is pretty, bright, and lovely. And she knows all of that about herself. From their first meeting, she feels inexplicably drawn to Eun-jae, who she just likes so much. At first, she spends a long time pondering why she feels this way, but eventually realizes there are no answers. If you like someone, you just like them. By chance, and as a tutor, she meets Eun-jae again and finds comfort in a single word from him, dreams, and is influenced. To Hee-joo, Eun-jae is a very cool and deeply sincere adult. The more she knows him, the more she likes him. However, Eun-jae has a girlfriend. A very beautiful one, with an aura that feels untouchable. After encountering this woman, Hee-joo experiences an inexplicable fever. Her heart had already deepened before she even realized that this was her first love.