Ishuzoku Reviewers, or "Species Reviewers," focuses on a trio of adventurers; the human Stunk, the elf Zel, and the angel Crim. These three live in a world where many races exist. Stunk and Zel have different taste in women and because of that they always argue about which race is the best in bed. They write reviews to find out whose opinions are agreed with the most. Their acquaintances and friends read the reviews and buy copies of previous reviews to learn about other opinions and experiences Stunk and Zel have had. So, they discover they can make money selling these reviews. It is while adventuring that Stunk and Zel meet Crim, the angel that cannot return to heaven due to a loss of power from a broken halo, and pressure the angel into joining their party as "the species reviewers."
—jcline459