
Although Sungjoon is definitely gonna end up with Taehyun, I don't really like Sungjoon because he didn't necessarily start chasing after Taehyun with good intentions. He thought Taehyun was "the only thing he couldn't have in the center of his world" (or something like that) which shows how egotistical he is. If he didn't end up liking Taehyun, I feel like it could hurt Taehyun when he realizes that Sungjoon wasn't sincere about his feelings and it was just to fulfill his desire to have everything. But... oh well I guess that's what character development is for.
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...and now I realize this entire paragraph was unnecessary because character development......lol

I've read the raws up to chapter 95. (Spoiler)
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Basically in chapter 86 Seojin tells Jugyeong that he wants to become an idol again and because of that Jugyeong feels insecure about their relationship and starts crying when she's walking back home. And that's when she meets Suho. Jugyeong and Suho also meet up later as friends and talk. There are some cute couple moments between Jugyeong and Seojin after that (them saying 'I love you' and supporting each other and stuff).
There's also one time in chapter 90 where Seojin asks Jugyeong whether she's hiding something from him (it happens after Jugyeong discovers he's working multiple jobs to support for his family and confronts him) and she nervously lies and denies it. In chapters 91-92 Seojin and Jugyeong go on a overnight trip to a hotel (the hotel asks Jugyeong to give a review for a free stay because shes a social media star) and Jugyeong couldn't find a chance to remove and change her makeup so she pretended to faint and got sent to the hostpital.
Jugyeong asks Suho a couple days later whether he thinks she looks cute without makeup. It seems like Suho has some lingering feelings for her in that chapter as he says it's just your face without makeup, and it's not important. He talks about how your personality doesn't change regardless of your looks. Two chapters after that, Seojin sees Jugyeong without makeup, and Jugyeong tries to run. He catches up with her, pulls her close and says how he still loves her. She starts crying btw. They resolve everything, and they're a happy couple again.
In chapter 95, couple stuff again. The usual 'I love you' s. I saw it in another comment and Jugyeong also continues to come off as superficial and only liking Seojin's looks. At the end of the chapter, we see a foreign looking girl with blonde hair at the airport and Suho holding some flowers. He waves at her and she hugs him, calling him 'babe'.
Right now I actually don't think there's a chance that Jugyeong will end up with Suho. Seojin isn't a bad person, but I think Jugyeong's feelings for him also kind of came out of nowhere. I think there's a lot of things that are kind of based off of looks, and honestly, I'm still sorta annoyed at the author for just making Suho disappear for a bunch of chapters. I think now she wants to let them have a wholesome ending, with all the characters ending up with somebody, which makes me kind of sad because I still ship Jugyeong and Suho!!! ┗( T﹏T )┛ oh well

Wow, that girlfriend thing takes me by surprise, I always have liked him more and when he cut contact I knew he would come back and I thought he'd have a big excuse or something about his family to justify what he's done, but he's come back with a girlfriend???
Like, yeah I'm 50/50 on who I want her to end up with and I'd be happy either way, but I just kinda feel that him ghosting her and now getting a new girlfriend (possibly) makes him a bit shallow?? I'm dissapointed ╥﹏╥

^^ An update on the spoiler (I've read chapter 96 now)
There hasn't been any other explanation as to who the new girl is yet, but this chapter mainly focused on a hangout between Suho and Jugyeong. They hangout in Starbucks and Jugyeong tells Suho that Seojun saw her face without makeup and was okay with it. They talk a little bit about things that happened in high school (because she curled her hair and Suho started talking about how ugly it was on her, to which Jugyeong starts mentioning how he said it looked nice on her in high school) and Suho gets really embarrassed and blushie. It starts raining, and Suho forgets to bring an umbrella, so they share one. Initially some part of his shoulder is actually getting wet (because he doesn't want to bump into her) but then Jugyeong pulls him in and we see him blush. The suffixes also write about the sound his heartbeat (so basically he still has lingering feelings for Jugyeong).
There's no reason for the author to randomly make it so that Suho still likes Jugyeong. I think that she (the author) either wants:
a) There to be conflict in Jugyeong and Seojun's relationship but they are able to overcome it and thus have a stronger bond and trust in each other.
b) She somehow wants Suho to get back with Jugyeong.
It's seriously sad to admit, but honestly at this stage there's no way the author would break up Seojun and Jugyeong. Like, there's just no way to do it so that all the characters would be happy. I do hope that option b would still somehow work though.

If they can't get back together, the first 50 or so chapters of Suho and Jugyeong falling for each other were completely useless. How are you going to make the readers root for a character then wipe him away from the surface of the earth before he can even date the MC? And why bring him back? At the end Suho is the one who loses. I see no reasoning in this logic whatsoever. How do we go from developing deep feelings for the MC to be the test that's going to solidify the MC's current relationship? That's unnecessarily cruel.

Thank you for the spoilers and also @confusion too. For this info, I’ll have to drop this webtoon. 1) because I ship FL with Suho. I only got to ch. 31, I’m heartbroken to see them not together. (Don’t come for me, we can ship whoever we want. I’m just sad)
2) why cut off Suho’s screen time just to bring him back, only to get his feelings and our (FLxSuho) feelings hurt.
Maybe when this webtoon is complete, I’ll read the ending chapter just see which ML end up with FL. Until then, peach out~
Late: SOCIAL DISTANCING
Arwin: andiopp-
*procedes to do the kabedon*