"Interspecies Reviewers: Ecstacy Days" is a manga series that explores a fantastical world populated by diverse species, including humans, elves, demons, and other mythical creatures. The narrative centers on a group of adventurers who, instead of pursuing traditional quests, dedicate their time to reviewing brothels and other establishments catering to interspecies relationships. The protagonist, Stunk, a human adventurer, is joined by his companions, including Zel, an angel with a penchant for indulgence, and Crim, a diminutive elf with a sharp tongue and a curious nature. Together, they embark on a journey to evaluate and critique the services offered by various establishments, often encountering unique and humorous situations due to the diverse nature of the clientele and providers.

The plot unfolds episodically, with each chapter focusing on a different establishment or encounter. The group’s reviews are detailed and often comedic, highlighting the cultural and biological differences between species. The series delves into the intricacies of interspecies relationships, blending fantasy elements with adult themes. While the premise is rooted in humor and satire, it also provides commentary on societal norms and taboos within its fictional world. The characters’ interactions and reactions to their experiences drive the narrative, offering a mix of lighthearted entertainment and occasional moments of introspection. The series maintains a balance between its adult content and its exploration of the fantastical setting, making it a distinctive entry in the fantasy genre.