From elves to succubi to fairies and more, Our heroes: Stunk, a human, Zel, an elf and a hermaphrodite angel named Crimvael are here to rate the red-light delights of all manner of monster girls.

Ishuzoku Reviewers focuses on the human Stunk and the elf Zel, who are buddies, living in a world where numerous races exist. Stunk and Zel have different taste in women and because of that they always argue, which race is the best. To find it out, they sample brothels of all different species. One day, they discover that they can make money out of their quest and to review girls, they had relations with. The two also meet an angel that cannot return to the heaven and because of that joins the duo in their quest.—Scientiiaa

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