The spinoff manga Strike Witches: The Witches of Andorra has previously been published in English in Kadokawa Shoten’s online magazine Kadokawa Niconico Ace.
Tsuchii began the Strike Witches Erica Hartmann 1941 spinoff series about 13-year-old Erica Hartmann in March.
North American manga publisher Seven Seas Entertainment has licensed four other Strike Witches manga: Strike Witches: Maidens in the Sky, Strike Witches: The Sky That Connects Us, Strike Witches: 1937 Fuso Sea Incident, and Strike Witches: One-Winged Witches.
This year’s November issue of Kadokawa’s Comp Ace magazine published the final chapters of Tsuchii’s Strike Witches Erica Hartmann 1941 manga and Yasuhiro Miyama’s Kantai Collection – Suirai Sentai Chronicle manga on Monday.