It’s really emotional, and even someone insensitive like me , cried during a couple of episodes. The story is amazingly written, and it’s overall my favorite drama so far
The only thing that bothered me was the relationship between the MC and his girlfriend. The age gap isn’t that big but it’s kind of weird since he was a teenager and she was a child and it would bother me personally to date someone whom i saw grow up. Additionally, their relationship details were just annoying over all and i would have preferred if they just left out these scenes. I skipped most of it, it was really boring. And the second thing that bothered me was that they kinda made the prison look like a hostel and some of these people are real criminals but yet they portrayed some of them too good.
These two things bothered me , but i can ignore it since the story is awesome nevertheless.