Yes, I think your description of it is totally on point.
I'd say just enjoy the art and stick around for the Rollercoaster, just don't ever expect this to be healthy or to get that much better. It can be somewhat realistic and tbh the manhwa is easier to digest than the novel (ps: Also hated how many times the author compares Inseop with children, I'm telling you, this story is hella creepy)
Idk if it really is "toned down", Philip assaults and kills people and R's and confines his love interest, they pretty much go toe to toe together lol. Philip is also a diagnosed ASPD patient and I think he ran away from the facility he was put in in the US? I also remember he committed some sort of crime so he can't return to the US. Man's literally a danger.
Oh no by toned down I mean the vibes of the scenes. Unlike KS, you can literally feel the dangerous and depressing air surrounding bum and sangwoo. So it's like you know what you are expecting to get in every chapter - more misery. This one, on the other hand, has many scenes with sparkly sparkly cutesy cutesy vibes, which gives it a lighter vibe, until the love interest suddenly commits murder. Honestly, that scene gave me whiplash. I wasn't expecting him to go that far.
Yeah, you're absolutely right! That's why I mentioned that the manhwa did a really really good job at adapting the original work into something more digestible. The novel absolutely gives you that feeling of dread everytime they interact (at least the fan translated version I read). If you care to spend some time on it, I suggest you read a few chapters, like from the moment things start getting sexual, it all goes south reaaaal quick.
I read the fan translated novel and went really far into the story and couldn't finish it. It was so crazy.
During their first time, I believe he actually broke the guy's wrist in the novel and tho the manhwa makes him look wayyyy less terrible, it was so hard reading through their explicit scenes.
He abuses him over and over and R's him over and over, he even tears him at one point. Like there'll be hella blood.
This ML only gets worse and more obsessive and dangerous.
And the MC is generally attacked by crazy fans whenever he's not being assaulted by his partner.
Anyway, the art here iw beautiful but the ML does NOT get much better. I think becomes a little less violent cause he fears the MC leaving him or dying (basically doesn't want his fave pet gone). Other than that MC makes it clear that he hates sleeping with him EVERY SINGLE TIME, he's in pain and says no all the time. He even says he hates him and is staying cause he's scared of him. It just turns into full on Stockholm syndrom but with him being fully aware that this is dick and being too scared of leaving cause everybody he knows may end up getting killed. (Btw in the novel, I read he actually deca apitated and killed either one of two of the guys who he framed for attacking the actor that was bothering Inseob and I think two of those guys were brothers or sum)
Anyway, ML is a literal assasin. He spirals downhill as the story progresses and mind you we have no logical explanation for Inseob's stalking and obsession for the ML. There's no valid excuse for why he tried to "avenge" his mentally ill best friend. Like, to be fair, I don't see why any of that is ML's fault. They're both mentally not there but Inseob is waaaaay less dangerous than the ML. That guy is UNHINGED. Inseob took on way more than he could handle.