 Four DVDs were released from December 25, 2008 to March 25, 2009, each containing three episodes except for the last which contains four.Each DVD is assigned a season in chronological order beginning from spring.An official fanbook was released on December 22, 2008 by Kodansha with an ISBN of 978-4-06-375627-2 and Yūki, Chika, and Kazumi as the cover characters.