If you're looking for manga similar to Boukensha A no Himatsubushi (Light Novel), you might like these titles.
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.
Franz, a fledgling mage on the verge of graduating from magic school, is having no luck lining up a job in the White Magic field. Fearing unemployment, he decides to interview at a Black Magic company on the advice of his dorm mother, even though working with Black Magic is said to be the 3 Ds: Dangerous, Disgusting, and Dirty. Turns out? It's more like the 3 Ps: Pure, Pleasant, and Permissive!