I've read the raws

Without understanding anything, and it does seem sweet. But I really hope they work out his behavior. I remember a small part (SPOILER)
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where Hosik runs away just to get away from his sunbae because he's controlling and over bearing. So I hope that that was the moment when the possessive sunbae (already forgot his name lol) finally understands that he shouldn't be like that. It's not good for their relationship and definitely not good for Hosik who wants to establish himself and set himself an independent career. Instead of just being identified as the guy that got pregnant with the handsome guy's baby.