I have read the manga and reluctantly watched the series as well, hoping the story would be improved upon. Unfortunately, it wasn't. The story and characters struggle with the same things as the source material.

Given are two coworkers who absolutely cannot stand each other, always end up having really awful arguments and never communicate. As they are placed on more projects together they slowly learn a bit more about each other, and realize that they make a really good team even if their morals and the things they are willing to do for a story do not match. Through sheer guessing - since once again, they barely talk properly - Kaburagi figures out that Onoe finds him attractive and the two start sleeping together. One of the worst BL tropes is the one where one of the characters acts like they hate their love interest but "secrectly" likes it when the love interest manhandles them - which seems to be the entire personality of Onoe.

Realistically there is no way for Kaburagi to know that Onoe is just "pretending" to dislike him (unless this was a supernatural story and he was a mind reader, which is unfortunately, not the case here) or if he actually just hates his guts. Like he has already said so, several times. Yet, he keeps making advances and pursues him. Later, there is a scene where they confess their feelings to each other, but since this is during another one of their agressive shouting matches, it doesn't really make up for the terrible communication they have.

The setting, characters, actors would have been interesting enough if only just the relationship was better handled.