It is a normal day; everyone from deranged military girl Tanya Degurechaff and 16-year-old isekai protagonist Satou Kazuma to expansionist overlord Ainz Ooal Gown and demon sisters Rem and Ram go on with their daily lives. Suddenly, a conspicuous red button begging to be pressed appears before them. Overcome by curiosity, the otherworldly characters push the button, sending them to an unfamiliar world. With no way of escaping, the characters must lead a normal school life and make acquaintances with the others. One thing is certain: the classroom full of fan-favorite eccentric personalities never gets boring!

Despite completing all the tasks given to them, Ainz Ooal Gown, Tanya Degurechaff, Kazuma Satou, Subaru Natsuki, and the other members of Class 2 are surprised to find out that their role as students is far from over. With no means of returning home, the class of eccentric personalities is still mysteriously stuck in the unfamiliar world. Although, as they are becoming quite fond of each other, spending more time together does not sound that bad. With the unexpected arrival of new transfer students, the comedic antics of our beloved characters continue to grow. Thus, their bizarre yet nonchalant school life continues.

Western Restaurant Nekoya is a popular eatery located on a street corner in a Tokyo shopping district. Serving both traditional Japanese fare as well as Western dishes, this eating establishment is popular among Tokyo's residents. But this seemingly ordinary restaurant is also popular with another type of clientele... While the restaurant is thought to be closed on Saturdays, the truth is that on this special day each week, its doors are instead opened to the inhabitants of other worlds. From dragons and elves to fairies and mages, this restaurant has no shortage of strange customers. Nevertheless, the enigmatic chef known only as Master will be waiting to serve up their favorite dishes with a kind smile and keep them coming back for many more Saturdays to come.

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?