Haven't read the lightnovel but this would be better if it's poly. ╮(￣▽￣)╭
As a reader, I can't jump into conclusion about his personality. Doesn't have a tag but this could be borderline split personality as he's not possessed by other entity(from the blood of dog) but he is the polar opposite of day and night (basically himself) . In olden times, people mistook something else related with superstitions for split personalities... What am I even blabbering about?
I like that, but if yk spoilers it's def not a borderline split personality:3
Will see. Given his acts and behavior, that's split personality. He even called his unconscious side as 'twin brother'
I like it when the seme compromises himself and says to himself not to repeat his mistake whenever he thinks he said something wrong to woojung. Also, loving every panel where they wear matching digital watches, like, they never let it go