Yeah... also had to read it on a somewhat-questionable site with probably way too many annoying ads. Seemed pretty good writing, to me, was able to read the whole thing. The final ending and pairing made sense to me, since the only other possibility, beside the one that should be read as the female lead (as in Yeonah), never really gave a shit about the MC, just feigned it once he seemed valuable (that is, Nain). Only seemed to start to maybe legitimately like him closer to the end of the story, I feel like, and even then still seemed like she was more interested in potential advantages of being with him not him as a person. Female lead pretty much always showed some level of legitimate concern for him, even with their first meeting, even though she was clearly a manipulative gold digger normally, she was, more often than not, straight with Kang, and only got more honest with him the more time they spent together.
No harem ending, so don't get hopes up about that, if you do find a way to read this. There's just a female lead that legitimately cares, even if she's a character archetype, a gold digger, that'd normally be manipulative and two-faced, Yeonah is rarely like that with the MC partly because she got to know him when he was a nobody, and even helped make him into the somebody everybody else starts paying attention to before realizing her own feelings and starting to get jealous, and then duplicitous swine that try to get something out of our MC, especially his female co-worker he starts out having a crush on, Nain, who is secretly cold and calculating despite the warm and approachable attitude she presents publicly- beware the beast, don't believe it's lies.
Yeah, I remember some of the non-romance plot, but most of my focus was on the inter-personal relations stuff. If you're good at reading things, it should be obvious how things will end on the romance side. Hell, the story practically spells it out at one point when it almost feels like it could have ended, but there was a whole plot arc beyond that with more drama before things finally settle into a proper ending.
Edit: shit... re-reading it now on yet another site after seeing this entry here on MangaDex, some two years after I initially read it, and that foreknowledge makes me hyper-aware of shit, especially how fucking eerie and creepy Nain is between social interactions- like unnerving sociopathic shit... Like I remember knowing something was off about her right from the start, but now, knowing the truth, it just sinks in just the massive red flags she's presenting when she thinks nobody is looking... I mean, to be fair, nobody in-comic is looking, but the readers are looking and our brains should be screaming 'danger' with that creepy flat expression of her's. To be honest, it kinda reminds me of why I had a problem with Marika from Nisekoi when I read it earlier this year for the first time... girl has serious mental problems and is extremely manipulative, but at least she seems far more up-front- readers should know that about her pretty much right away within a chapter or two of her introduction. Nain is a lot more subtle and devious with her manipulation and facades, to the point even dropping her mask when talking with Yeonah after the latter admits her feelings for Kang to her isn't enough for some to catch on.