Mahou Shoujo Sonico★Magica
English name: Puella Magi Sonico Magica
Type: ONA, Episodes: 1
Aired: Apr 1, 2011
Source: Unknown
Rating: PG-13 - Teens 13 or older
Synopsis:
Parody opening for a spin-off of Mahou Shoujo Madoka Magica, starring the characters from the upcoming visual novel game SoniComi by Nitro+.

This was released by Nitro+ as an April fools' prank, complete with an official website announcing a full TV series.