I watched this drama for the first time in 2018 and I'm not biased when I say that it has aged very well. Yes, the cell phones are enormous, and the fashion ridiculous. But other than that really, it holds up very well.
I think the story is really good, the show is packed with content: young love, delinquency, "forced" marriage, and most importantly the growth of this young couple into adulthood.
The casting is great, except for the second female lead. But I was simply blown away by Jae Hee' acting skills. He is great, and super handsome. I wish he would be in better productions nowadays.
The music was something special in this drama. I don't usually pay much attention to the music, unless it's horrible. But the OST for this drama is really good, from the kitsch opening credits song to the music throughout the show. It feels surprisingly contemporaneous and I will definitely listen to it often (if I can find it).
Overall a really good drama, not without flaws but endearing enough that I decided to overlook them in this review.