Tharn and Type are new college roommates. All is going smoothly between them until Type learns that Tharn is gay, at which point Type begins doing everything he can to find a way out of sharing a room together.

Tharn and Type share an intimate moment that leaves Type feeling confused. Type insults two trans girls on campus who were touching on him without permission. The girls started posting on social media about the experience calling Type homophobic. Tum confronts Tar about failing to meet him on campus to drive him home.

Tharn seeks to comfort Type as the news of his biased comments spread across campus. A broken-down Type eventually opens up to Tharn about a traumatic incident in his childhood that he has continued to struggle with. Tharn seeks out the individuals that Type offended to try and resolve the issue. Type thinks of a way to repay Tharn for all of his help.

Techno accidentally reveals to Tharn that Type and Puifai have started seeing each other. Tharn is incredibly hurt by the news and confronts Type about his behavior, Type responds by giving Tharn a list of rules for people in a casual relationship.

Tharn and Type return to their respective homes during the university break. Type shares an emotional moment with his childhood friend, Kom, after narrowly avoiding a fight at the bar. Champ meets with Mai at a bar where she confesses her feelings for him. Upon Tharn and Type's return to their new dorm, the decide it is time to shop for a new bed they can share. Tharn invites Type home to meet his family for his birthday dinner.

After learning some disturbing information from Tar, Type begins investigating the source of years of tragic events in Tharn's romantic relationships.

Set after the events of the series, Tharn and Type have been dating for four years already. Still very much in love, they remember the first time Type introduced Tharn to his family but Type's father might not be as supportive as they hoped him to be.

Type finally opens up to Tharn about the harassment he is facing at work. A surprise guest returns from Korea to visit Klui.

While Tharn is away for work, Type falls ill with a fever. Fiat sees this as a chance to make a move.

Set after the events of "TharnType 2: 7 Years of Love", this epilogue episode features the proposal, wedding and honeymoon of Tharn and Type as they live happily ever after.