Nice to Meet You (2021)

longtime friends Tom and Jerry with studious student girl and bad student boy.

they see each other again when they are adults But their relationship is complicated

Both shows show devloping relationship of two deskmates. Both are at odds at first but then slowly able to understand kind and helpful side behind cold exterior(of male lead). Female lead is smart and male lead is more like fun loving person. Separated for years then reunite again.