anime project has been announced for the WATATEN!: an Angel Flew Down , with confirmation of the project coming via the franchise's official website.
The story of the manga WATATEN!: an Angel Flew Down centers on Miyako Hoshino, a shy university student and otaku. Miyako's younger sister, Hinata, who is in the fifth grade, has a classmate and friend named Hana. When they meet, Miyako falls in love with Hana at first sight.
The anime season that preceded this new project premiered in January 2019.
Source: ANN