After his manga series flops, 35-year-old Hideo Suzuki reluctantly becomes a mangaka's assistant. Plagued by insecurities and hallucinations, he questions his rocky relationship with his girlfriend, suspecting her of infidelity. Confronting her leads to guilt, prompting him to seek reconciliation. However, his world abruptly transforms, revealing a harrowing societal nightmare that forces him to confront a chilling reality.