I disagree when people say there is no romantic subtext in itafushi because, I do think there is. I also disagree when people say there is too little [of romance] to base itafushi on it because that's really not true.
It starts with Megumi saying his type is someone with an unwavering humanity. Which is the very literal meaning of Yuuji's name. It slowly develops from there.
I also don't like how people say itafushi is one sided. IT'S NOT. He cares too much. Fushiguro is always the first one he notices in any room he's in. Even in the time he was hiding his death, he would mention Fushiguro now and then. Fushiguro just doesn't leave his mind, never did. He thinks he's very reliable, he SPECIFICALLY told Sukuna to not say anything to HIM about the fingers-resonance thing in the aftermath of the bridge fight. And the scene at the lake, where Megumi told Yuuji he'd kill him if he died, he defintely took it in a serious way, not just because he said "I better not die then" right after, but like, he even referenced that to Megumi in Shibuya. As a way of reasurance. As a way to say "I won't die on you, I will come back to you." Also thanks Mappa for making this even more gayer with the finger guns thing.
Hell, he even knows Megumi's favorite popcorn flavor and he teached him how to make meatballs. They barely knew each other for a few weeks??? And he was so overly excited to learn he'd be his closest roommate. Sure, you can say he's joyful with anyone and he is indeed, but towards Megumi, it's so much more intense. And yeeessss that could be because they are best friends alright but you can't deny it can work both ways, can you?
Since I touched in the best friends topic, I will quickly say how much it bothers me people refuse to ship two guys because they are two guys the same holds true when it's two girls but I'm mostly talking about a m/m ship. I saw someone yesterday talking about itakugi being endgame and like, sure there was some disapproval, but not as aggressive as it would be if it was an Itafushi post. Because when it's about itafushi, they easily jump on you saying "ThEY arE bEST FrIeNDds, CaN't tWo gUyS bE fRIeNDs anyMoRE??!?!? tHIs is jUst fRIendSHiP sTOpInG mAkInG iT gAy/wOkE!" well, it's funny because these exact people would immediately ship a guy and a gal even though there's so much little going on between them (take Ozawa as an example, sure she is cute and all but people saying they have more chemistry than itafushi is just... lack of literacy, like wtf???? how come a girl that appeared in ONE chapter and then NEVER AGAIN god knows if she is still alive - possible have more chemistry than two guys who went through good and bad shit together since chap 1?). But if it's a m/m, then it's a immediate no-no...? This is not about chemistry, friendship or whatever, there is a very clear name to this, the instict to immediately shut down the idea of two guys or girls together in a romantic way. You know very well what is called, don't you?
Anyway, back to Itafushi.
In the whole Shinjuku fight he's been thinking about Megumi, he went through possible ideas and plans TO SAVE Megumi. He's willing to become Sukuna's host AGAIN to save Megumi. Of course they (including Yuuji) need to defeat Sukuna, stop the Merge and save the world blah blah blah, but until so far, the core of his actions is moved by one objective: to save Megumi.
In post Shibuya he felt so conflicted about whether or not he had the right to live, and when Megumi asked Yuuji to save him, Yuuji's eyes shined again with life. They were devoid of any light until then.
Megumi means so much, so much to Yuuji, he treasures him too much. Way too much!! He would feel lonely without him.
And I don't care the way the translators chose to word this, we can safely assume that to Yuuji, Megumi's absence means loneliness. He would feel a void in his heart (I, the person writting this, am telling this in a romantic way, but you can assume that as platonically too if you like) without him. Megumi MATTERS to Yuuji, and Yuuji MATTERS to Megumi. Hell, Megumi even puts him in the same level of importance as Tsumiki, his sister, the only family he had the whole life. I'm not even gonna dive into the topic of "megumi wanted yuji to marry tsumiki" bc i think that is pure nonsense. plus she's dead. meaning they would never marry anyway.
In conclusion I think there is a lot of room for romance to flourish between these two, it might not be now, it might not be the objective of the whole work (because in the end it's a shonen, so yeah), but it's defintely not weird to think about. Love is a central theme since JJK 0.
Unfortunately people on twitter are mega stupid and I had the unpleasure to see a lot of hate towards itafushi because we apparently are in the wrong for thinking about two guys kissing no matter how much gay chap 266 was. And apparently we are in the wrong for taking Megumi and Yuuji's exchanged to a romantic level even though that shit was gay af (i personally don't talk like that to my best friends but okaaay whatever right) Which prompted me to come to another space (hopefully away from those ppl) to deposit my thoughts.