Series creator and director Umetsu Yasuomi has announced on the 25th entry of the 「Kite Liberator」 site column section that a sequel is now under development. No further details available. Source(s):

Otoha, Nanoha, and Natsumi all advance. Twenty vote spread between Nanoha and Hiromi. Total votes, with fake votes included, found below... Group E-01 Results: 1位　600票　桜野音羽＠スカイガールズ (Otoha Sakurano @ "Sky Girls") 2位　419票　神凪綾乃＠風のスティグマ (Ayano Kannagi @ "Kaze no Stigma") 3位　301票　久遠寺森羅＠君が主で執事が俺で (Shinra Kuoniji @ "KimiAru") ========================================================= Group E-05 Results: 1位　906票　高町なのは＠魔法少女リリカルなのはStrikerS (Nanoha Takamachi @ "Nanoha StrikerS") 2位　886票　湯浅比呂美＠true tears (Hiromi Yuasa @ "true ...