"Seowoo wants to reap the benefits" Yeah nah, Jaewoo's "success" is only because Seowoo gave him information and to add on top of that Ohn only opened up after meeting the real Seowoo. Please give credit to both where it's due.
Credits they deserve:
They both deserve credit for being dumbasses for lying to him.
Seowoo deserves extra credit as a dumbass for dehumanising his brother and saying he was born to play his role. He deserves extra extra credit as a dumbass for being such a coward and spineless. As well as for thinking this idiotic plan would work.
Jaewoo deserves extra credit as a dumbass for treating Ohn's and his brother's feelings like a game, which was why he agreed he wanted to see "who could make his hyung fall in love", and additionally, he also deserves extra extra dumbass credit for comparing Ohn to his ex continuously. As well as for making such dumb decision to role-play as someone.
It's not that Ohn opened up after meeting the real Seowoo.
He saw fake Seowoo always being charismatic. When the real Seowoo blushed, the Ohn only reacted because fake Seowoo confessed confidently to him moments ago.
So seeing real Seowoo blush, it just struck him that he really likes him.
Ohn likes the contrast between his confident and shy for him side.
He likes combined version of both of them.
Yes, Seowoo gave information, but the information was not always complete, so Jeowoo had to wing it half of time.
Seowoo likes Ohn, but the one who is actually spending time with him is Jeowoo.
But we agree that both of them are dumbasses and Ohn should dump them and never contact them again.
(but I also kinda want that 3p, lololol)
Well, I would like if Ohn just dates them both.
But actually, they both don't deserve him because they are both lying to him.
Jeowoo spent his time trying to get Ohn to open up a little, and then Seowoo wants to reap benefits.