Shingeki no Bahamut-Genesis to start airing on October.
http://shingekinobahamut-genesis.jp/top.html
Voice cast.
Yoko Hikasa
Kawasumi Ayako
Shuichi Ikeda
Saori Hayami
Haruka Tomatsu
Horie Yui
Koyasu Takehito
Sawashiro Miyuki
Koyama Kimiko
Tetsuya Kakihara
Yukana
Miyano Mamoru
Morikubo Showtaro
Gotou Saori