You can only recommend one korean drama to me, what would it be?

Goblin

I’m going to go the BL route and recommend The Boy Next Door or Where Your Eyes Linger.

The Boy Next Door is funny and light hearted.

Where Your Eyes Linger is angsty and romantic.

Both great dramas.

search www

marriage not dating but if only  one could be chosen then the second one

18 again

1%of something

Based on your watchlist I guess you might like Gu family book