Except not quite.
Negative emotions aren't nowhere are strong as their negative experiences(severe debt leading to broken a family,dying after arguing about a shut in life against family,or...siscon?[potentially a side affect of loosing a sibling and blaming themselves]),whilst being a pervert...
I hate how they decided to rush the ending of the animated adaptation,they should've taken two or three more episodes to cover this fight as it's meant to be,as shown here.
Hell,the explanation about magic was skipped entirely!
Why does it sound like so many of y'all have not read the literal work that came before?
The otaku,in his own weird way without a doubt,is 'bout to save her from those abusive...friends?,family?,some other third party?...and possibly do it with extreme injury to himself.
It's definitely a case of the author being told to wrap up,so things that would've taken 10 or so chapters to slowly process are now compressed into two,but otherwise understandable,the only left unexplained is the expected goal of sending the Cosas back in time,since clearly they're not quite...
That reminds me,some folks talked amongst themselves somewhere(I think Reddit),and they realised that humans,much like Bethesda NPCs,do tend to just walk aimlessly,stare aimlessly,and seemingly do nothing quite a few times,especially in places where decisions are being made(like supermarkets),so...
Comic : "Wholesome story about a dog wishing he was human so his master would feel less lonely through his own words."
Internet : "THEY'RE BANGING RIGHT NOW!,IT'S BESTIALITY!,HE'S A REINCARNATED HUMAN INSIDE!,SHE THINKS HE'S HUMAN ENOUGH!"
Can't have crap in Detroit,eh?...