You haven't protected her so far though? She's been kidnapped (Thats what summoning is if you don't give her an option to admittedly return) and thrown away. Thats not being protected.
Are we meant to forget that its 90% likely they're brother and sister?
She's a few months older than him (Black haired not blonde like the King who claims she was his daughter to sell her off to the abusive creep) and the Douche of the Dad (Who has black hair) told his servant to get rid of the...
He is right about all of the Duchesses being sacrifices in the family.
And I guess his cousin turning into a beast after turning 20 probably has him worried.
It's understandable that the abused traumatised teenager is scared around giant leopards. She isn't even comfortable around humans that are bigger than her.
The translators just called a little girl a modern slang of a slur.... its bad enough people are always calling teenagers or adults the slang version of the slur.
Acting this possessive makes him a terrible person. If he was that curious about who his unloved daughter was going to go to the party with he should've secretly investigated him not barge into his house late at night and potentiality traumatise him.
The men in this are all terrible. Are we actually meant to be rooting for Celestia and Trash Emperor?
I'm dropping. I like the male lead being a decent person. Not a 'your too mean to slaves. At least don't hit them but I don't really care enough about them" person.