Both dramas are korean dramas about doctors which are skilled professional in their field. But they resign and become doctors in prison in order to get revenge.
Both of the dramas tells the stories about two people in love who solve problems of everyday life. Problems about work, family, personals problems and more. I think this two stories is wery well done and if you like romance dramas you can give both of them a try.
Both dramas is about students who fall in love with each other, also this show is about boy love. There is the Rich man/Poor man vibe too.
Both dramas are about beings with super power. The main leads in both dramas are destined for fate and both of dramas have Interspecies Romance (a romance, sexual or otherwise, between two different species).