"What do you want to call the manga?"
"just put the genre as the title and call it a day"
Edit:
Just read it and it was pretty dumb.
I'm probably going to still read it to see how it goes.
He's an otouto of a heroine in a harem world.
He already lose the moment he was born.
I'm sorry, even though I'm on the otouto side but it's just impossible, the universe will fuck you up.