I’m a Healer in the Reversed World of Beauty and Ugliness summary:
One day, Sumeragi Yuuto was suddenly transferred to a new world. This world resembles a world from a novel that Yuuto recently read. It is a world where beauty and ugliness are reversed. Yuuto fell and was carried to a safe place. The girl who carried him was considered ugly by the people of this world. This is the story of making a harem with her and her other party members.