Rune's Pharmacy: Tiara-tou no Okusuriya-san S1E1

Episode 1

After the death of her parents, young Erunelle has inherited their debts. While being faced with an orc's sexual assault, Sharvan saves her. Then, he shows a document of the debt her parents owed to him and presses her for money, encouraging her to sell her body to obtain the one million gold.