sangihun for the ask game — 3 , 9 , 12 !!
3. What's your headcanon about them?
Starting off broad, I see! I feel like this could be answered in so many different ways. Thus, I've gone with what I think about their relationship in canon.
Definitely read Sang-woo as a closeted gay man who has been low-key in love with Gi-hun at least since they were teenagers. I imagine that he started cutting Gi-hun out of his life by midway through college at the latest, though he probably didn't start fully ghosting Gi-hun until his debt started to spiral out of control and he started embezzeling.
I also headcanon him as repressed enough to try and deny/rationalize away his romantic feelings for Gi-hun to himself. That in turn probably lead to a lot of built up resentment and a muddled mix of admiration/disdain for Gi-hun, which he'd have struggled to articulate for himself and probably also tried to just suppress so he wouldn't have to look at it.
Then there's the whole, "Pride of Ssangmun-dong" thing. I headcanon that he put aside a lot of things he actually cared about in trying to live up to the ideals of, "Smart kid with a bright (read: 'financially successful') future ahead in a 'smart' field like business," that he picked up on as a kid whether or not it was outright stated. As such, he taught himself to value the things he was told would get him the 'right' future - academic intelligence, a college degree, a swanky finance job, and above all a life that left Ssangmun-dong in the rearview mirror.
At the same time, he learned to look down on everyone who didn't escape Ssangmun-dong, as epitomized by his childhood friend Gi-hun. Gi-hun, who had done everything wrong with his poor education and shitty manual labor job, but who was also kind and happy and generous, who made friends everywhere he went as easy as breathing, and who above all managed to get married and start a family with an appropriate female partner before his life collapsed in the wake of the failed factory strike, while Sang-woo was stuck with all these queer feelings for men, and for Gi-hun in particular, that the proper & successful "Pride of Ssangmun-dong" was absolutely Not Supposed To Have. As a result, he would up with many tangled, messy, and sometimes flat-out contradictory feelings of envy, resentment, admiration, disdain, and genuine care all directed towards Gi-hun.
So it makes sense that seeing Gi-hun again in the Capitalist Murder Games threw him off his game so bad he never fully recovered.
And this has indeed gotten long already! I'll try to wrap the next bit up more concisely.
For Gi-hun, I headcanon that he absolutely could have been in love with Sang-woo from childhood, but he is also the kind of person who takes life as it is without introspecting too deeply whenever possible. Thus, my headcanon on that front is that Gi-hun probably had some romantic feelings for Sang-woo, but he never got the chance to realize them even to himself because Sang-woo first ghosted him for years and then died in the games.
9. What characters from their universe would support or hate their relationship?
This one is harder... If it's canon and they never got together, then I don't think anyone around them ever looked close enough to suspect the potentially romantic feelings between them. If they do get together, then I think it depends on at what point that happens.
I think Sang-woo's mom would take some time to get past the ideas she'd built up in her head of Sang-woo as the perfect son who would eventually settle down with a nice, proper wife and give her nice, proper grandkids. Eventually, though, I think she would be supportive.
Gi-hun's mom already put up with so much shit and nonsense from her kid that I think her support or lack thereof would depend entirely on the likelihood of his relationship with Sang-woo getting Gi-hun out of her house, lol.
Gi-hun's ex-wife would low-key worry that Gi-hun had only used her as a beard during their marriage, but I think she'd support him finding happiness with someone else if she got some reassurance that he had genuinely loved her when they got married. Her new husband, on the other hand, would not be supportive.
Jung-bae would be supportive, though he'd probably also be kind of oblivious and awkward a lot. The, "asking invasive questions/being confused at first that one of them isn't, 'the girl'/otherwise awkward but ultimately well-meaning," kind of oblivious.
A lot of Sang-woo's finance colleagues would not be supportive.
12. What is your favorite scene with them?
All of them?? How can you ask this??
Honestly, if I had to pick one scene, it's a tossup between their conversation in episode 2 and their final showdown in the games.
