Lena Tanaka, known to her followers as “Nightshade,” is a popular streamer whose life takes a dark turn after she disrespects a goddess’s name during a live broadcast. Cursed by the goddess, Lena begins to experience gradual and horrifying transformations, each change pulling her further from her humanity and closer to becoming a full-fledged creature. As she struggles to maintain her streaming career and her sense of self, Lena’s journey becomes a tale of tragedy and resilience.