In the town of Kurouzu-cho, Kirie Goshima lives a fairly normal life with her family. As she walks to the train station one day to meet her boyfriend, Shuuichi Saito, she sees his father staring at a snail shell in an alley. Thinking nothing of it, she mentions the incident to Shuuichi, who says that his father has been acting weird lately. Shuuichi reveals his rising desire to leave the town with Kirie, saying that the town is infected with spirals. But his father's obsession with the shape soon proves deadly, beginning a chain of horrific and unexplainable events that causes the residents of Kurouzu-cho to spiral into madness. [Written by MAL Rewrite]

Maigahara Senior High School is a prestigious institution renowned for producing many talented musicians over the years. True to the school's reputation, an intriguing rumor is widespread among its students: whosoever provides a spectacular performance at the upcoming festival will receive extra credits. Serina Akesaka is an outgoing first-year student on the verge of failing her classes. After recalling the circulating rumor, Serina decides to recruit four students—Nazuna Tennouzu, Aliciana Ogata, Hakobe Naru, and Nagi Kobotoke—to form a band with her. As these five passionate girls start their journey together, the music they will soon produce is bound to touch everyone's hearts and leave an everlasting impact. [Written by MAL Rewrite]

The anime will take place 10 years after FLCL Alternative and will center on a high school boy and girl.

"Housing Complex C" centers around Kimi, who lives in a small, low-cost housing complex located in the seaside town of Kurosaki. Trouble seems to follow her wherever she goes, and horrific incidents begin to occur. Is an ancient evil stalking the residents of Housing Complex C? (Source: Variety, edited)