拾われ愛して奉仕したい ～亜人娘とのイチャエロ生活～

Demi-humans are treated as the lowest out of all races.

In a small village away from human settlements, Mia and her mother, who barely scraped by, were attacked by human traffickers to be sold as slaves.
"At least my daughter could be spared", as Mia's mother handed her a photo and allowed Mia to escape.

One day, Mia ran into the protagonist as he was managing an inn his father left behind. From the worn-out photograph, the location of this very inn was noted in his father's handwriting. "This girl's mother... There is no doubt that was father's former demi-human lover"