
In his dreams he enters the "Idol Universe" where he's in idol-mode and there is an alternate idol-version of Seong-eun and they have crazy sex that gives him some sort of stress relief from this crazy lifestyle they're forced to lead. It's been getting a little too real though, with the marks showing up on his actual body, and he's confusing dream-Seong-eun with real Seong-eun (who seems to like him for real and maybe they once had sex for real in the past?.) SO instead of it being a stress-release, temporary escapism, now it's causing him more stress in real life?
Something like that. I think.
I don't care - they're hot when they're doing it in the idol outfits

BUT...the moment it became a thing that Cain was an actual dog in his past life...this story lost me. I don't care if Yahwi is an ass who will get some redemption or Cain is an ass because he reacts like a dog (?!?! WTF!) and Jooin is just...stupid. At this point, I just want to see some hot sex and I don't care who partners up, lol.

32 chapters and the comments are still full of people complaining about ntr. That's the whole point of the "story" folks. He's a pig and he's going to bang every woman he possibly can. Read it for the ridiculousness and the wacky sexcapades, not to constantly threaten to cut his dick off because of his poor wife and 6 kids. It's absurd porn, not a deep dive into the mindset of a cheater and I seriously doubt he's going to learn any real lesson or pay some terrible price.
I get that this kind of story ain't your thing - that's normal and understandable. But why waste your time reading it and then bitching about it in the comment section? People who like this stuff aren't going to pay any attention to your complaints. It's not like it's hidden - it's clear from the description/summary that he's going to be cheating on his wife.
Idiots in love - such a fun trope.