I just finished reading it, it's actually not bad and it's really cute, but the plot hole ...

I just finished reading it, it's actually not bad and it's really cute, but the plot hole looks really rushed and there's so many scenario that didn't make sense. For example the way haejunie suddenly can smell pheromones..if we use logic it can explain that he suddenly turned into an omega but i just hoped that it can be explained thoroughly also, there's not enough pregnancy arc of the mc TnT im downed bad for the both couple but i kinda wish there's more chapter on the mc:/