The Magia Record: Puella Magi Madoka Magica Side Story anime will receive a final season sometime at the end of 2021.
The Magia Record anime’s website said that more details will be dropped at a later date, but it revealed that the final season will have the subtitle Asaki Yume no Akatsuki (roughly meaning A Shallow Dream’s Dawn).
The second season of Magia Record: Puella Magi Madoka Magica Side Story recently received a new trailer and is set to premiere on July 31. The first season premiered in January 2020.
Magia Record: Puella Magi Madoka Magica Side Story is based on the mobile game by f4samurai, which is inspired by the 2011 Puella Magi Madoka Magica anime. Both the original Madoka Magica anime and Magia Record are produced by Shaft.
Crunchyroll describes the first season as:
In exchange for the fulfillment of a wish, Magical Girls keep fighting, unbeknownst to the rest of the world. But Iroha Tamaki can’t seem to remember her wish. “When I became a Magical Girl, what did I wish for again?” There is a gaping hole in her life. Something important has been lost. But she continues to fight every day, without even knowing why… Then, a rumor begins to spread among Magical Girls. “Magical Girls can be saved if they go to Kamihama.” Kamihama City, the city where Magical Girls and Uwasa are gathering. The story of Iroha Tamaki, in search of her lost wish, begins…
Source: Magia Record anime website