I would’ve been fine if he said something like “I have to get my life under control before dealing with that weirdo” some shit like that. But no, it’s “DoN’t MiSuNdErStAnD”. Dude she literally fessed up to being a stalker, and has been making passes at you the entire time she’s known you.
Better yet don’t include any rom stuff and just focus on him being a floor boss and his fighting...
I went through a bunch of the google translated versions of the WN, so I can confirm they do have a semi-romantic relationship. I say semi because I have yet to see them openly admit the romance despite having a few lovey-dubby scenes together.