Now it is Minjae's turn to make a move. But the two must once again face their most dreaded choice.

As Minjae struggles with his lingering feelings for Youjin, she suddenly appears before him.

Jihoon reveals his feelings for Youjin. At a welcome party, she runs into Minjae, now a professor.

Min-jae returns to Korea after a year, sparking a tense reunion with Yoo-jin, who declares their romance is over while past secrets start to unravel.

Min-jae is forced to choose between a career opportunity abroad and his feelings for Yoo-jin. As outside opposition threatens their relationship, the couple faces a high-stakes crossroads that tests their commitment.

Min-jae and Yoo-jin struggle to hide their romance as rumors spread. When Se-jin unexpectedly returns, past insecurities surface, forcing the couple to confront their doubts and test the strength of their trust.

Park Min-jae and Im Yu-jin as they attempt to navigate the early, complicated stages of their new relationship.

Park Min-jae and Im Yoo-jin (Eugene) as they navigate their deepening feelings after their kiss.

After learning something unexpected about Min-jae, Yu-jin can no longer ignore her growing feelings, creating an awkward tension between them.

Yoo-jin begins adjusting to life in the robotics lab but immediately clashes with fellow student Se-jin.

Youjin wants to go to grad school and asks Minjae for help. Will she make it into the robotics lab?

As Minjae seeks love, an unexpected incident reunites him with Youjin, a stranger he met before.