The cover of Kobato. DVD Volume 1 has been revealed at Kobato.tv.
Other extras have also been revealed. The mail-in gift for those who buy the first 6 DVDs will be a version of Kobato's glass bottle.
Limited edition Volume 2 will come with a Kobato & Kohaku drama CD. Limited edition Volume 3 will come with a Ioryogi cell strap plush.
And Kodakawa has listed the Kobato. Characters Collection anime book for release January 29th.