(Based on the 애절물 tag in KR webnovel world) Sad, sorrowful KR BL novels with angst. Those are not dog blood that will make you writhe, sweet potatoes that will make you choke, or suffering works that will make you feel like dying. They're just melancholic, sorrowful, and heartrending novels that will (probably) make you cry.

애절물 (Sorrowful) is a pretty popular keyword/tag in KR novels, whether HL, BL, or even GL. Its primary focus is tear-jerking narratives, grievous settings, and unfortunate characters. This angst may be caused by various factors, either misunderstandings, psychological factors, or other external circumstances. They're not pure pain and suffering that will cause you to feel suffocated— if you're seeking that, come here instead: https://www.novelupdates.com/viewlist/71102/. But if you want some heartwrenching works that don't abuse or mistreat the characters too badly, this list is for you.