Strike Witches: Dai-501 Tougou Sentou Koukuudan

The year is 1944, and the war against the Neuroi is over. The 501st Joint Fighter Wing, also known as the Strike Witches, have accomplished their goal of protecting Britannia from the alien invaders. Now that the battle is done, the Witches disband and decide to go their separate ways for some much-needed R&R. As the girls enjoy downtime in the warstricken lands of Gallia and the deserts of Africa, a new danger lurks. A mysterious alien/ human hybrid foretells of another impending invasion. Can the Strike Witches regroup in time to defeat this latest evil threat? (Source: Seven Seas Entertainment)

A semi-canonical spin-off like Afrika no Majo, this one based on the historical events of World War II in Andorra.

Humanity’s last hope–on wings of steel and magic! What if World War II had not been a battle between Axis and Allies, but between the human race and mysterious attacking aliens? This is the world of Strike Witches: Maidens in the Sky. The Earth has been invaded by a mysterious alien race known as the “Neuroi.” Humanity is on the verge of annihilation and their only hope is a team of flying magical girls–the Strike Witches. Maidens in the Sky follows the story of Miyafuji Yoshika, a simple farm girl who dreams only of taking over her family’s medical clinic. One fateful day, a Strike Witch falls out of the sky and lands right at her feet. Yoshika is a healer and wants nothing to do with warfare or violence, but this chance encounter will change her destiny forever! (Source: Seven Seas Entertainment)

Originally published as doujinshi but later serialized in Comptiq.

This story follows the earlier career of star Suomus witch Eila Ilmatar Juutilainen, when she was a part of the Suomus Air Force, 24th Unit.

The year is 1944, around when Miyafuji Yoshika joined the 501st JFW to protect Gallia. The South European nation Romagna is launching a Neuroi counteroffensive with its 504th JFW, nicknamed The Ardor Witches. Its core is made up by the Duchy of Romagna's elite, the Red Pants Unit, but, what is soon becoming evident as the detachment is coming together, is that the members all seem to a bit peculiar, not the least of which the commander. What will destiny have in store for this group of girls...?

The 502nd JFW's members are packed together and running amok! And instead of fighting the neuroi it seems they're starting to fight with each other!? Come experience the 502nd JFW's daily life that you won't see in the anime!!

"Noblesse Oblige" - The obligation of nobles. This addition to the World Witches franchise focuses on the 506th Joint Fighter Wing; a squadron of witches tasked with protecting innocent people from the Neuroi following the liberation of Gallia. These Witches are referred to as the "Noble Witches" because of their social status and their dedication to serving the needs of the less fortunate.