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.
I'm not sure as such a situation seems quite extreme and might not be common in typical manhwa plots.
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.
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