Countless diverse races, from perky fairies to oozing slimes, inhabit the world. Naturally, such a melting pot of creatures has a broad and alluring variety of brothels. With so many options to choose from, it is hard to decide with which succu-girl to have a meaningful, interpersonal experience. Fortunately, a tight group of brave warriors has come together to enlighten the public. These perverted adventurers take it upon themselves to assess the appeal of all types of succu-girls through hands-on research. Whether it be the scorchingly hot salamanders or the udderly hu-moo-ngous cow-girls, the Yoruno Gloss reviewers leave no species behind. Directed by the mastermind behind Miru Tights, Ishuzoku Reviewers seeks to answer one of the most pressing questions there is: which species is the sexiest?