I started watching this solely because I needed more MaxTul in my life and yes, of course they delivered, but the plot was rather poor. Not because of the cheating. Actually, I found this element of plot quite refreshing, because it's different, it's realistic and it was interesting to see three different approaches to the subject.
Korn/Knock
Honestly, I wasn't surprised at all that Korn needed a little care and understanding in his life and that he lost it once someone has shown him just a little warmth. Knock has been such an asshole! All he did was play games, drink, act irresponsibly at work and let Korn take care of him like a stubborn kid. He hasn't been interested in why Korn was so afraid to talk to his father, he never asked about that, never thought that perhaps he should give a little support to the person he loves. He just took and took, without giving anything in return. Korn in turn was a little pathetic in clinging to the crumbs of affection Knock sometimes threw him. Because of that I wasn't even angry at Korn when he slept with Pete. I just hated watching Korn suffer again and again, hurt by Knock, hurt by his father, heartbroken because of the breakup, I was just waiting for a bolt of lightning to hit him out of the blue, just to add to his misery.
Yihwa/Cho
I actually liked the beginning of their story. It's not uncommon in long-term relationships to miss the butterflies and the thrill you get when you fall in love. It's not uncommon to search for this thrill in other people instead of working on your relationship. I didn't like the development of that story though. Yihwa has always been a fiercely loyal person who knew exactly what she wanted. And here she was, torn between two guys and in the end she decided which one she loved but she didn't want to be with him because...? I don't really get it.
Farm/Bright
This in turn was disgusting. I guess we all know what Bright did to Farm in TWM (*spoiler* on top of his toxic behaviour, he invited his friends and they had group sex with Farm. While he was asking them to stop. Don't know how the writers/producers call it, I call it rape. End of story). I kinda liked the revenge trope, but I really cannot understand why Farm ended with him. I felt sorry for sweet innocent Rit because he got caught up in the dirty games between those two, but fortunately he was smart enough to save himself.

Acting was what really saved this show. MaxTul are just something else, they are perfect together and they nailed it as they always do. Fei was the cutest, Pete was a solid, slimey villain, Bright was a delightful creep. It's just that the story was mainly based on cheap drama and irritating misunderstandings. On a positive note, the last two episodes (when KornKnock made up and everyone worked together to expose Pete) were actually good.