Season 1

Hong Seul's upperclassman, Yoo Jung, returns from the army, but she's the only one who can see past his pleasant veneer.

Hoo Yeon's harassment of Seol turns dangerous; Seul finds out who reported Sang Chul after the party.

In Ho warns Seol about Yoo Jung; Seol races to finish a group project that her partners have abandoned.

Seol has a surprising date with Jung. In Ho and In Ha struggle to live independently.

Seol questions Jung's explanation of his past with In Ho. Teaching assistant Heo reveals a surprising secret.

Someone from Seol's past returns to make trouble for her. In Ho contemplates leaving Seoul.

Seul moves into her parents' house and questions if she and Yoo Jung have a future. In Ho gets a new job.

In Ho finds that playing the piano again won't be easy. Jung meets Seol's parents.

Seul finds out that Yoo Jung encouraged Young Gon's obsession. In Ha searches for a place to live.

In Ho discovers he is attracted to Seol. Eun Taek and Bo Ra continue to collect video evidence against Young Gon.

A fight with her parents leads Seol to reconcile with Yoo Jung. Young Gon finds the tables turned on him.

The poster of the online photos is revealed. Tensions between In Ho and Yoo Jung explode.

Seul's stress lands her in the hospital. In Ho is in trouble when a gangster follows him to Seoul.

Someone steals Jung's exam notes from Seol. Bo Ra denies her feelings for Eun Taek.

Yoo Jung and Seol are treated differently by their peers now that his connection with Taerang is known. In Ha hits rock bottom after facing Yoo Jung's wrath.

Seol's accident causes Yoo Jung to make big changes in his life. In Ho does his best to help his sister.