My Secret Love The Series

Kim is a member of the student association and is keen on maintaining the university's good reputation while Mek, a senior student, specializes in prank videos. After an incident related to the latter, tarnishes the image of the university, Mek's group and the student association are designated to produce positive content to restore the image of the university. The concept imposed on them is simple: Kim and Mek must pretend to be a couple. Gradually, the boundary between pretense and their feelings becomes more and more blurred.
(Source: BoysLoveFrance)