Crushology 101

Episode 1: Crushology 101 Episode 1

When it comes to dating, Bunny cares about looks. She has high standards for men, but good-looking guys have no interest in her. Therefore, she ignores her boyfriend Bong Su’s looks. Meanwhile, Bong Su makes a big mistake and humiliates Bunny. Bunny was going to take a leave of absence, but she changed her mind immediately after bumping into a good-looking guy. (Source: Viu)

Episode 2: Crushology 101 Episode 2

Bunny is determined to pay back her debt of 2,000 dollars. However, she lacks the means to do so and decides to work part-time at an exhibition. There, she meets another handsome guy. Bunny also decides to enter a strength contest to win a brand-new tablet and be freed from her debt and note-taking. (Source: Viu)

Episode 3: Crushology 101 Episode 3

A Rang agrees to do the alumni interview as Hui Jin requested. Seeing Hui Jin getting closer to A Rang, without knowing, Jae Yeol is concerned about Hui Jin and tells Hui Jin that A Rang isn't a nice guy. Meanwhile, A Rang wants to see Hui Jin in private and invites her to his studio. (Source: Viu)

Episode 4: Crushology 101 Episode 4

After checking the conversation between A Rang and Ji Yeong, Jae Yeol runs to Hui Jin, worrying that she would be fooled by bad guys again. However, Hui Jin thinks what Jae Yeol does is crossing the line and doesn't listen to him. Out of concern, Jae Yeol asks Ji Won for help. Meanwhile, Hui Jin finally gets to see the real side of A Rang. (Source: Viu)

Episode 5: Crushology 101 Episode 5

Hui 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. Hui 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. (Source: Viu)

Episode 6: Crushology 101 Episode 6

Hui Jin and her friends find out that Jae Yeol and Yeo Reum were a couple a few years ago. Hui Jin doesn’t show it to others, but she’s bothered by it. Jae Yeol tells Hui Jin that there’s nothing between him and Yeo Reum, and this makes Hui Jin relieved. Watching them, Ji Won gets confused about his feelings toward Hui Jin. Meanwhile, Yeo Reum comes to school to see Jae Yeol again. (Source: Viu)

Episode 7: Crushology 101 Episode 7

Multiple misunderstandings build up between Hui Jin, Jae Yeol, and Ji Won, causing Hui Jin to believe that Jae Yeol still has feelings for his ex, Yeo Reum. Meanwhile, the campus bustles as the school festival approaches with the Confession Tree event, planned to be hosted by Yeo Reum. (Source: Viu)

Episode 8: Crushology 101 Episode 8

Jae Yeol and Ji Won’s war of nerves escalates after the incident of the Confession Tree. While Jae Yeol is tormented between Hui Jin and Yeo Reum, he finds out about the truth behind his breakup with Yeo Reum. Hui Jin and Ji Won keep running into Jae Yeol and Yeo Reum, and they end up sharing a meal together at the same table. (Source: Viu)

Episode 9: Crushology 101 Episode 9

Just as Ba Ni and Yeol find happiness, disaster strikes Ba Ni's family finances and her crucial art project is jeopardised. Reeling from setbacks and leaning on Ji Won for support, she unknowingly fuels Yeol's suspicions. Their fairytale beginning crashes hard against grim reality. (Source: Viu)

Episode 10: Crushology 101 Episode 10

While Jae Yeol’s suspicions grow, Hui Jin applies for a scholarship program in the US. Things become more uncomfortable with the realisation that the two must stay apart if she is accepted. On top of that, Ji Won also decides to go to the US to stay with his parents and sister. (Source: Viu)

Episode 11: Crushology 101 Episode 11

Hui Jin returns to Korea after a year in the US. As she returns to school, she encounters Jae Yeol, her ex. Meanwhile, she also runs into Hyeon O, her first crush from when she was little. As the three coincidentally keep bumping into each other, a whirlwind of emotions ensues. (Source: Viu)

Episode 12: Crushology 101 Episode 12