Magical☆Star Kanon 100%
English name: Magical Star Kanon 100%!
Type: OVA, Episodes: 1
Aired: Jun 18, 2013
Studio: Manglobe
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
Kanon spin-off OVA bundled with vol. 22 of the Kami nomi zo Shiru Sekai manga.

(Source: Weekly Shonen Sunday)