The school action role-playing game is set in the year 2045. The world has been contaminated by Irousu (mysterious invaders who suddenly appeared), and humans find themselves restricted and contained. Standing boldly against these invaders are ordinary girls everywhere, without a powerful army or even weapons. The Shinjugammine Girls Academy is a school for these "Hoshimori" (Star Guardians) destined to fight the Irousu. The player is assigned to this academy to train the girls and take back the contaminated Earth.

Aya Suzaki sebagai Miki Hoshitsuki
Ayane Sakura sebagai Subaru Wakaba
Sora Amamiya sebagai Haruka Narumi
Nao Touyama sebagai Nozomi Amano
Sumire Uesaka sebagai Yuri Himukai
Saori Hayami sebagai Kurumi Tokiwa
Kaede Hondo sebagai Kanon Kougami
Shino Shimoji sebagai Shiho Kunieda
Yumi Uchiyama sebagai Anko Tsubuzaki
Yoshino Nanjou sebagai Renge Serizawa
Mutsumi Tamura sebagai Asuha Kusunoki
Misaki Kuno sebagai Sakura Fujimiya
Hiromi Igarashi sebagai Hinata Minami
Aoi Yuuki sebagai Sadone
Ibuki Kido sebagai Kaede Sendouin
Emiri Katou sebagai Michelle Watagi
Hitomi Harada sebagai Kokomi Asahina
Maaya Uchida sebagai Urara Hasumi

Director: Noriaki Akitaya (Joukamachi no Dandelion)
Assistant Director: Yasuyuki Ooishi (Yamada-kun to 7-nin no Majo (TV) episode director)
Series Director: Kazuo Miyake (Gun x Sword episode director)
Series Composition: Yousuke Kuroda (Boku no Hero Academia)
Character Design: Shuuhei Yamamoto (Anitore! EX), Hideki Furukawa (Stella no Mahou)
Action/Effects Design: Satoshi Sakai (Magi: The Labyrinth of Magic animation director), Kazunori Ozawa (Little Busters! key animation)
Costume/Prop Design: Masami Imai (Shinmai Maou no Testament Burst chief animation director), Susumu Matsunaga (Tears to Tiara key animation), Masato Warashina (Ange Vierge key animation)
Weapon/Irousu Design: Yoshikazu Miyao (Boukyaku no Senritsu mechanical design), Satoshi Yuri (Strike the Blood II mechanical design)
Color Design: Eri Shigetomi (Tanaka-kun wa Itsumo Kedaruge)
Art Director: Nobuaki Mihara (Hentai Ouji to Warawanai Neko)
3D Director: Rei Rikugawa (Garo Movie: Divine Flame CG director)
Director of Photography: Takeshi Hirooka (Rakudai Kishi no Cavalry)
Editing: Kentarou Tsubone (Fate/kaleid liner Prisma?Illya)
Sound Director: Fumihiroki Gou (Shakunetsu no Takkyuu Musume)
Music Production: flying DOG
Studio: Silver Link.

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