As time goes on the guy's annoying qualities take a backseat to the girl's: she's been basically harassing him this entire time before abruptly pushing him away when he starts to get invested in her and her species. Like girl that's not how you get a relationship, even with someone as mid as him
Its a story about a war hero who gets married off to a distant noble lady but she's very eccentric and creates many items and concepts from earth after she reincarnated on a different world. I think the artist died in the middle of the story so it's uncompleted as far as I know
She's my type I wanna make her bark ლ(´ڡ`ლ)