Kemono ni Nareru Yoru dake wa

A young woman named Rika finds herself drawn to a mysterious bar that only opens on certain nights. There, she discovers a hidden world where patrons can transform into animals, shedding their human inhibitions and embracing their primal desires. Each visit offers a new experience, blurring the lines between human and beast.

As Rika delves deeper into this secret society, she must confront her own suppressed longings and the consequences of indulging in her animalistic instincts. The bar's enigmatic owner holds the key to understanding the true nature of these transformations, but the price of knowledge may be more than Rika is willing to pay.