manaria friends
Manaria Friends is a winter 2019 anime that adapts the "Mysteria Academy" or "Manaria Mahou Gakuin" event from the Rage of Bahamut (Shingeki no Bahamut) social game.
Originally announced under the title Rage of Bahamut: Manaria Friends (shingeki no bahamut manaria friends) in 2015, it ended up being indefinitely delayed and all staff were removed from the project in 2016. The series was re-announced in 2018 and simply titled Manaria Friends.