The first episode is so visually inventive it feels like watching the manga move in real time, then the production implodes and you're staring at stillframes and repeated backgrounds. That collapse is almost part of the horror, watching the spiral consume the show itself. Shuuichi's slow realization that the pattern is inescapable hits different when the animation can't escape its own budget constraints. Four episodes means you get the dread without the exhaustion, but it also means the ending feels cut off, which tracks for a show about a curse that doesn't resolve. This is for people who want Ito's skin-crawling wrongness on screen, not a polished adaptation.

Kurouzu-cho is a small, fog-shrouded town on the Japanese coast, and according to Shuichi Saito, the withdrawn boyfriend of teenager Kirie Goshima, it is cursed. The haunting comes from no person or creature but from a shape: the spiral, uzumaki. It turns up in seashells, ferns, whirlpools and whirlwinds, and in darker forms too, such as spiral marks on people's bodies and the growing fixation of Shuichi's father. Kirie first sees his father staring at a snail shell in an alley, and Shuichi admits he wants to leave town with her. When his father's obsession turns deadly, a chain of horrific events begins, and the townspeople are dragged ever deeper into madness. This four-episode psychological horror adapts Junji Ito's manga.