12 years ago, in the country of Rimguard, a big incident left an unsolved mystery that has begun to fade from people's memories. Time passes, and sisters Yui and Rena are living peacefully in the Enastria Empire. However, one day, a large mecha attacks Enastria. This day marks the turning point when the two girls get caught in the vortex of fate.

Type: TV
Episodes: Unknown
Status: Currently Airing
Aired: Jul 7, 2016 to ?
Premiered: Summer 2016
Broadcast: Thursdays at 22:00 (JST)
Producers: Lantis, Infinite
Licensors: FUNimation Entertainment
Studios: Actas
Source: Original
Genres: Action, Mecha, Sci-Fi
Duration: Unknown
Rating: None

Original work: Delegation of Enastoria
Director: Susumu Tosaka
Series composition: Keigo Koyonagi
Original character design: QP:flapper
Character design, chief animation director: Kimitake Nishio
Mecha design: Kanta Suzuki
Sub-character design: Kentaro Tokiwa
Art director: Shinji Katahira
Color design: Sachiko Harada
Director of photography: Kouji Tanaka
Sound director: Yoshikazu Iwanami
Sounds effects: Yasumasa Koyama
Sound technician: Takayuki Yamaguchi
Music: Ryou Takahashi
Music production: Lantis
Opening theme performance: TRUE
Ending theme performance: MINAMI
Produced by: Infinite
Animation production: Actus

Kaede Hondo as Yui.
Ayane Sakura as Rena.
Yurika Kubo as Sera.
Yui Ogura as Tia.
Asami Seto as Ingrid.
And Nao Toyama as Kei.