Personal favourites

Disclaimer : very subjective list. Definitely not all, if any, of these dramas are perfect imo, I do not agree with or like everything in it. But they definitely all left a strong impact on me and still do contain some food for thoughts, important and useful messages, strong and rich characters and unique, moving relationships with overall interesting plot, as well as nice OSTs. I watched them with a higher level of enjoyment than for any others, and re-watched/would rewatch them gladly. No particular order.