Key visual
Official site is working now too:
http://darli-fra.jp/
Staff info:
Director: Atsushi Nishigori (Idolmaster, Gurren Lagan)
Assistant Director: Toshifumi Akai (Magi, Granblue Fantasy The Animation)
Series Composition: Naotaka Hayashi (Steins: Gate, Plastic Memories), Atsushi Nishigori
Character Design, Chief Animation Director: Masayoshi Tanaka (Your Name, Anthem of the Heart)
Mechanical Design: Shigeto Koyama (Rebuild of Evangelion, Big Hero 6)
Action Supervision: Hiroyuki Imaishi (Kill la Kill, Gurren Lagann)
Animation Production: TRIGGER, A-1 Pictures
Source
http://manga.tokyo/news/studio-trigg...aff-pv-visual/