Isekai de Dorei ni Narimashita ga Goshujin-sama wa Watashi ni Yokujou Shimasen

Six years since she was transported to another world, Chika served as a pet slave for the strong and handsome knight Douglas. Normally, a pet slave would also serve her master in bed, but for some reason Douglas was not able to perform, so Chika still retained her virginity. It turned out that Dougl