Go read paljae and Qiang Jin Jiu.
If you take a look at my profile, under my avatar where the bio is you'll see my top list posted. Name of manga/webtoon and author's.
Well it's tough question but I will name 2-
Aesthetics of unpleasantness
The beast must die
To be or not to be
The red thread
Regas
Cherry blossoms after winter
Muhyeok and Naui: My Irresistible Neighbor
BL novel: Quickly Wear the Face of the Devil
Non-BL novel/manhua: Omniscient Reader's Viewpoint
Hit me with your greatest story you've ever read