Michiru Kagemori, an ordinary high school student, suddenly transforms into a tanuki beastman and flees to Anima City, a sanctuary established for those of her kind to escape human persecution. Seeking a cure for her mysterious condition, Michiru enlists the help of Shirou Ogami, a stoic, powerful wolf beastman who acts as the city’s protector. As Michiru navigates the vibrant but volatile urban sprawl, she discovers that Anima City is far from the utopia she imagined. The city is plagued by corruption,
organized crime, and a deep-seated resentment toward the human world.Michiru’s journey evolves from a desperate quest for normalcy into a struggle for the survival of beastman identity. She learns that her transformation was not a natural occurrence but the result of a
medical experiment involving the blood of a legendary beastman. This revelation draws her into a dangerous conflict with Alan Sylvasta, a wealthy pharmaceutical mogul who appears to be a benefactor but harbors a genocidal agenda. Sylvasta aims to eradicate the beastman population by triggering "Nirvasyl Syndrome," a state of frenzied, uncontrollable rage that forces beastmen to revert into mindless, destructive monsters.As tensions reach a breaking point, Michiru and Shirou must confront the fragility of their coexistence with humanity. Shirou, who has spent centuries harboring a deep hatred for humans, is forced to re-evaluate his cynicism as he witnesses Michiru’s unwavering empathy. Together, they confront the conspiracy orchestrated by Sylvasta, who believes beastmen are an evolutionary mistake that must be corrected. The climax reaches a fever pitch when the city is pushed to the brink of collapse, forcing the inhabitants to embrace their true natures while fighting to maintain their humanity. Through intense combat and emotional breakthroughs, Michiru finds her purpose as a bridge between two worlds. She ultimately realizes that her transformation is not a curse but a unique gift that allows her to advocate for peace. The series concludes with the city standing resilient, its inhabitants forging a new path toward equality, while Michiru accepts her identity, standing firmly as a symbol of hope for a future where humans and beastmen can finally exist without fear or prejudice.