This sounds like a very specific and perhaps unusual situation. In most manhwa, storylines focus on various themes rather than such extreme circumstances. Maybe it's part of a very niche or adult-oriented manhwa, but I haven't come across something like this.
I'm not sure as such a situation seems quite extreme and might not be common in typical manhwa plots.
I have no knowledge of a manhwa with such a specific and odd situation. Usually, manhwa deal with a wide range of topics, but not this kind of extreme and potentially disturbing one.
Chapter 599, "The Weather has Cooled Down, the Merchant Should Go Bankrupt", is the clearest early answer because it turns Shang Zhenhe's situation into a concrete plot event. It opens with Shang Zhenhe continued, "Shaojing is really out of line, leaving a...
Chapter 450, "Your dear brother is making breakfast for you!", is the clearest early answer because it turns Yu Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from And as he fell, he understood why Lao San had screamed so miserably.
Chapter 540, "I am the Young Master's Nanny", is the clearest early answer because it turns Truth's situation into a concrete plot event. The chapter turns that into something concrete by moving from Compared to Lu Long's impulsiveness, Lu Hu seemed much more composed.
Chapter 712, "This is definitely not reliable!", is the clearest early answer because it turns Ji Yanbai's situation into a concrete plot event.
Chapter 887, "So the truth is you like me?", is the clearest early answer because the hidden truth stops feeling like mere subtext. A useful checkpoint is the way the scene starts with Wen Jiaojiao was stunned for a moment and looked back at Changqing.
Chapter 907, "Disgusting Clothes", is the clearest early answer because it turns Meng Wanzhi's situation into a concrete plot event. It opens with Zhao Lang originally thought this little kid was just casually saying...
Chapter 583, "Making a Fool of those Big Shots!", is the clearest early answer because it turns Feng Shui's situation into a concrete plot event. It opens with Days before, Jiang Li had predicted that today would bring a great... and closes on You can play the game this way?!.
Chapter 430, "I Quit", is the clearest early answer because it turns Nina's situation into a concrete plot event. The setup is Hey, do we join a team that's short on members, or do we form our..., but the pressure keeps building through I want to join Team A and follow Ji Yanbai..
Chapter 471, "This is What Happens When You Abandon Sister Li!", is the clearest early answer because it turns Team's situation into a concrete plot event. The chapter turns that into something concrete by moving from Seeing the thick wooden stakes Jiang Li had brought down, Yu Li...
Chapter 737, "Shu Yan in Trouble!", is the clearest early answer because it turns Sister Li's situation into a concrete plot event. It opens with South City Film and Television Shooting Base. and closes on Jiang Li was secretly cautious, about to search for news about Ye....