Distant Sky

A Korean Horror Manwha on Webtoon that is single-handedly responsible for half the blue-balls in the world.

"Hey, I've heard Distant Sky is pretty good. You wanna give me a quick summary?"

"You know that feeling of complete and utter pain?"

"Yeah..?"

"It's like that, but per chapter."

"...Why don't you stop reading it, then?"

"You can't. It's that good."