Season 1 of Gen Y premiered on november 11, 2020.

Mark wants to challenge Dr. Kit from Faculty of Medicine after he was told that Kit is hard to approach. But on the first day he meets the doctor, he ends up getting on Kit's bad side. He keeps pursuing the doctor and when he has the confidence to ask Kit to be his boyfriend, something happens at the same time and as a result, Kit does not accept Mark's love. A feeling of disappointment arises with all the characters. After solving their problem, Kit and Mark decide to tune their understanding once again.

Season 2 of Gen Y premiered on december 21, 2021.

Wayu decided to start to be a couple with Thanu, but it may not be easy because of the unclear relationship between Thanu and Phai. At the same time, Mark and Kit got a problem with distancing and timing. Before they decide to call it off, they focus on temporary separation as an option. That may make them know how the importance of each other. Pok has tried so hard to be better for Tong, but he feels like he is just not up to Tong's expectations. Also, Tong has tried to give all the best to Pok, but he has misunderstood that Pok never wants it. At the same time, Wayu started to open up to a new relationship, a problem between Mark and Kit, and a conflict between Pok and Tong.