According to Newtype magazine February issue, Tsuzuki Masaki's original TV anime "Dog Days" was announced. It will be aired from this April.

Staff
Original Work & Scenario: Tsuzuki Masaki
Director: Kusakawa Keizo ("Mahou Shoujo Lyrical Nanoha A's" "Nanoha StrikerS")
Character Design: Sakata Osamu (general animation director of "White Album", "Zero no Tsukaima: Princesses no Rondo")
Production Studio: Seven Arcs

Cast
Shinku Izumi: Miyano Mamoru
Milchore F Biscotti: Horie Yui
Éclair Martinozzi: Taketatsu Ayana
Ricotta Elmar: Mizuki Nana
Laurent Martinozzi: Koyasu Takehito
Brioche d'Arquien: Hikasa Yoko
Yukikaze Panettone: Asumi Kana
Leonmichellie Galette des Rois: Koshimizu Ami
Gaur Galette des Rois: Kakihara Tetsuya
Rebecca Anderson: Takahashi Mikako

Character design of Princess Milchore
Character design of Shinku(?)
Character design of Galette des Rois

Synopsis:
Republic of Biscotti faces a predicament by the invasion of Galette Leo Knights. In order to save the country, Princess Milchore summons a "hero" from the outer world. Shinku, a junior high school boy living in the Earth, is chosen as the hero.

Source: Scan of Newtype
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