Kanon spin-off OVA bundled with vol. 22 of the Kami nomi zo Shiru Sekai manga. (Source: Weekly Shonen Sunday)

Five dangerous seeds have been stolen from their vault in the world of Evergreen and taken to Earth. Natsuki, an agent of the Queen, has been sent to retrieve them. However, he cannot do this alone and enlists the aid of Chihaya, a middle school student, who is the only one who can help him. With his aid she transforms into Magical Warrior Carmine in order to save the humans possessed by the seeds. Questions abound though, such as why Chihaya's mother appears to know all about this secret activity, why Chihaya remembers her father who reportedly died before her birth, and why she dreams of Evergreen, which she has never seen. (Source: ANN)

Distinguished mages Nanoha Takamachi, Fate Testarossa, and Hayate Yagami now work as military personnel for the Time-Space Administration Bureau on the planet Midchilda, having completed their studies on Earth in the last ten years since the Book of Darkness incident. One day, the three end up helping the Bureau respond to a severe airport fire, but their efforts are left unrecognized. A series of unfortunate events motivate Hayate to create the elite unit Riot Force 6, which handles cases involving public safety as well as dangerous magical objects known as Lost Logia. There the trio works alongside promising recruits Subaru Nakajima, Teana Lanster, Caro Ru Lushe, and Erio Mondial, who endure difficult training to fulfill expectations while overcoming hurdles and achieving personal goals. However, carrying out their mission proves to be a constant struggle. Battling foes who exploit the Lost Logia and facing criticisms from within the Bureau, Riot Force 6 quickly finds itself stretched thin.

Ayumi Mamiya is a witch cursed to lose her powers and only one boy can break the spell. Haruo Yoshikawa thinks he is a normal boy but unknown to him his three sisters have magical powers and keep him protected and ignorant about the existence of magic. Now Ayumi must wake up Haruo's latent powers to save herself but his sisters will have none of that. (Source: ANN)