18+ JK Haru wa Isekai de Shoufu ni Natta

The high school student Haru Koyama and her classmate Seiji Chiba are killed in a traffic accident and are teleported to another world together. While Chiba becomes an adventurer and goes out to slay monsters, Haru discovers that women are not allowed to have special powers in the new world, so she decides to make a living as a sex worker.

(Source: Wikipedia)