HIDIVE has announced that it will begin simulcasting Yuki Yuna is a Hero: The Great Mankai Chapter, the third season of the Yuki Yuna is a Hero anime on October 1, 2021.
The series will be available for streaming in the United States, Canada, the United Kingdom, Ireland, Australia, New Zealand, Latin America, Nordic countries, the Netherlands, South Africa, Spain and Portugal.
The story of the third season of the Yuki Yuna is a Hero anime is described as:
The magical girls of the Sanshu Middle School Hero Club have one goal: to make people smile whenever they can and to always help those in need. Through teamwork and the help of their magical powers, Yuna, Mimori, Fuu, Itsuki, Karin and Sonoko have vanquished deadly Vertexes, recovered a missing friend and balanced their lives as magical girls and regular middle school students. Now a new adventure begins, one that will test their skills and their bond as friends alike.