The official website for Nana Maru San Batsu has announced additional cast members. The anime will air on Wednesdays at 1:59 a.m. via Nihon TV, followed by Family Gekijou starting July 5. The anime will also be available for streaming on online services such as Hulu, Nihon TV On Demand, and d-Anime store. The mangaka drew an illustration (shown right) celebrating the anime broadcast.

Cast
Seiji Fukami: Hikaru Midorikawa (Ame-iro Cocoa)
Minoru Hanabusa: Daisuke Kishio (Vampire Knight)
Koutarou Tozuka: Makoto Furukawa (Golden Time)
Wataru Maruyama: Taku Yashiro (Piace: Watashi no Italian)
Ryouta Mukai: Yuusuke Shirai (Binan Koukou Chikyuu Bouei-bu LOVE!)
Touichirou Nakazawa: Genki Muro (Busou Chuugakusei: Basket Army)
Hajime Sasaki: Yoshitaka Yamaya (Isshuukan Friends.)
Ayaka Kenmochi: Hisako Tojo (Hinako Note)
Tamami Furukawa:Haruna Momono (Devil Survivor 2 The Animation)
Haruomi Konoe: Toshiki Masuda (B-Project: Kodou*Ambitious)
Masaru Shibata: Junya Enoki (Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru)
Yoshikatsu Kuroda: Shuuhei Iwase (Oda Nobuna no Yabou)
Sei Koshiyama: Aki Nagao (Magi: The Kingdom of Magic)

Upcoming 14th compiled volume of the manga will be released on July 4.

Source: Ota☆Suke