i have SO MANY. 2521 is definitely my all time fave, like no matter what i will always remember & cherish it. then there's moon lovers, weightlifting fairy, youth of may & 18 again (almost every lee dohyun drama is elite), weak hero class 1, and then theres marry my husband & doctor slump that i've been seriously enjoying! sorry for rambling, its just really fun to find someone who's also very into dramas