Tsui no Sora Episode 1 plunges viewers into a surreal and unsettling narrative, beginning with the tragic suicide of a female student who leaps from the school's rooftop. This harrowing event casts a shadow over the school, leading to rampant speculation among students about an impending apocalypse. Amidst this chaos, the protagonist, Yukito Minakami, and his childhood friend, Kotomi, strive to navigate the growing hysteria. Their lives become increasingly entangled with enigmatic figures, including the cryptic Mamiya Takuji, who appears to influence the escalating madness. The episode delves into themes of psychological instability and the power of suggestion, as the line between reality and delusion blurs for both characters and viewers. Despite its limited animation quality, the episode effectively conveys a sense of dread through its atmospheric storytelling and haunting imagery. As the first installment, it sets the stage for a disturbing exploration of human psyche and societal collapse, compelling viewers to question the nature of reality within the world of Tsui no Sora.