Crushology 101

Racing Heart Alert (1x5)

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Hee-jin tells Jae-yeol what happened that night, thinking he would be embarrassed about it. However, Jae-yeol doesn't get startled by it, and he confesses his feelings again. Hee-jin is still in doubt, but unexpected events make her think about him again. Meanwhile, Yeo-reum, who is a popular sports announcer, comes to school, and it seems like she and Jae-yeol have a history.