Toho Animation’s YouTube channel has a 50 second teaser to show off for Touken Ranbu -Hanamaru-, that confirms an October 2016 premier for Japan. The teaser was also screened at the “Machi★Asobi vol.16” event in Tokushima Prefecture.
https://www.youtube.com/watch?v=CoNx-UD8DDI
From Crunchyroll
Hanamaru, animated by Doga Kobo (Himouto! Umaru-chan, Luck & Logic), is the first of the two TV anime adaptations of the Touken Ranbu -Online- browser video game developed by Nitroplus and DMM Games. Takashi Naoya, who recently served as an assistant director for the Luck & Logic TV anime, will make his TV series directorial debut.
Main staff:
Director: Takashi Naoya (Luck & Logic assistant director)
Character Design: Junichiro Taniguchi (Puella Magi Madoka Magica, Prison School character designer/animation director)
Series Composition: Pierre Sugiura (Barakamon: Mijikamon)
Anime Production: Doga KoboAnnounced Voice Cast:
Yamatonokami Yasusada: Mitsuhiro Itsuki (Kazuya Aoi in Freezing)
Kashuu Kiyomitsu: Toshiki Masuda (Ryoga Kamishiro in Yu-Gi-Oh! Zexal)