Hey there, sweetie! This is just me, but I think Minseok and Luhan are joined by the hip and love each other a whole lot (in a best friend, brotherly, or ~more~ kinda way, I really don’t care which one it is, that’s their own private business). It’s not just Luhan that ‘attacks’ and loves Minseok, because Minseok is the same way back, just not as much on cam. But the thing is, Luhan and Minseok loves their little maknae Sehun too, and he loves them a lot too. They both dote on him a lot. Minseok even more than Luhan, in my opinion (Minseok dotes an all the 3 maknaes a whole lot, and they bask in his attention he gives them). I mean Minseok is the oldest Korean hyung and has known all the Korean maknaes for a long time, as SM trainees, so of course they have a bond. But as in a big brother kind of way. Luhan is more like one of them (the maknaes), most of the time. He’s Chinese and they don’t have the same kind of dongsaeng-hyung system in China. So Luhan seems to treat (well at least before?) the maknaes the same way he does with his same age friends. And they treated him like that back, kind of. But look up to him a lot too. Remember all the SeKaiHun SM tried to sell us during MAMA era? It worked, haha. Anyway, in my opinion Luhan is a person that loves, and has skinship with pretty much everyone he befriends, and likes enough. He can literally be shipped with everyone in EXO. He cuddles and is really friendly with them all. Sehun and Minseok included. But Minseok is his same age-friend. Someone he really hits it off with, someone with a lot of similar interests, and someone he works and lives with every day, so of course they hang out a lot and have a lot of internal jokes and stuff going on. They really are close. Sehun and Luhan don’t have that bond, but that really doesn’t mean they’d love each other any less. They do hang out when they can and Sehun really looks up to Luhan and it’s super cute. But in the end EXO are all just colleagues, that are kinda stuck together because of their dreams and job, and are doing what’s best in their situation. Sometimes you really find amazing close friends in that situation, and I totally believe all three of them have. But I think you should consider how close Tao and Sehun are too, just saying…
As for ships, I ship both XiuHan, HunHan and XiuHun (and TaoHun), but ships aren’t reality and it’s only for fun. The persons there aren’t the same people as we see on stage or off. So it’s hard to say. I really don’t know them at all. But I do believe these three all enjoy each other’s company!