The planet Eltria, having suffered severe desertification in the past, has all but been abandoned. Against her older sister's wishes, Kyrie Florian travels to Earth alongside her best friend, the AI Iris, in search of the key to their planet's regeneration. However, the only way to find it lies within the Tome of the Night Sky, leading them into conflict with Nanoha and her friends.
Yukari Tamura
Nanoha Takamachi / Stern (voice)
Nana Mizuki
Fate Testarossa / Levi (voice)
Kana Ueda
Hayate Yagami / Dearche (voice)
Haruka Tomatsu
Amitie Florian (voice)
Satomi Sato
Kyrie Florian (voice)
Yoko Hikasa
Iris (voice)
Natsuko Kuwatani
Arf (voice)
Kaori Shimizu
Signum (voice)
