I think they're siblings but for some reason (whether its because of Yoona or just a misunderstanding on the part of Seryeon), Seryeon thinks they used to date.
This was. Something. Hated Minjae beyond anyone or anything I've ever hated before. Ugh, just slap the fuck out of that fucking bitchy bastsard, my god. Selfish prick. Ugggghhhhh.
Predictable ending though, I guess. Still a wonderful manwha!
I like it so far. Let's see how it goes