Koinu Dan no Monogatari

Morishita Mao is a girl who moves to Gunma. She befriends Nomura Mao, a girl who finds a blind puppy she called 'Dan'. As they care for the dog, with help, they are doing whatever they can to protect the dog. What will occur to Dan in the end? The manga is based on the movie with the same title featuring Morning Musume, Hello! Project Kids, and Goto Maki.