Itaewon Class, https://kisskh.at/33898-itaewon-class (Revenge with an epic OST and an unconventional romance)
It's Okay to Not be Okay, https://kisskh.at/49865-psycho-but-it-s-okay (Mental illness with romance)
Vincenzo, https://kisskh.at/61371-vincenzo (Mafia son who happens to be Korean; it's hard to categorize this one, as it has slapstick comedy to Russian torture, neither of which I like, but I loved this anyway; very little romance)
Navillera, https://kisskh.at/59381-navillera (Elderly man does ballet to fulfill his dreams; it's much better than it sounds! No romance to speak of.)
Move to Heaven, https://kisskh.at/49231-move-to-heaven (A grifter takes on the responsibility of his autistic nephew for the inheritance; no romance to speak of) Uplifting
The Devil Judge, https://kisskh.at/62087-the-demon-judge (A judge in dystopian Korea fights the system along with the criminals; I don't recall romance) Dark
Alchemy of Souls, https://kisskh.at/52939-can-this-person-be-translated (Epic realistic fantasy, as opposed to pastel fairy fantasy, with romance; I really loved this one)
Reborn Rich, https://kisskh.at/79607-youngest-son-of-a-conglomerate (Revenge; don't recall romance)
My Perfect Stranger, https://kisskh.at/719347-bumped-into-you (Sci-fi time travel murder mystery with romance; I rarely hear anyone talk about this one, but it was different and interesting)
The Kidnapping Day, https://kisskh.at/718187-day-of-kidnapping (Mystery with a bit of black comedy and no romance)
A Time Called You, https://kisskh.at/689831-someday-or-one-day (Time travel mystery with romance)
I agree with AH's recommendation of Flower of Evil. It's so good that I had to stop at episode 13 for fear something bad would happen to my favorite characters! As long as I don't watch, they're safe. 😊