Cinnamon no Parade
Genres: Fantasy
Type: ONA, Episodes: 1
Aired: Jun 21, 2012
Source: Unknown
Rating: G - All Ages
Synopsis:
In the eight-minute video to celebrate Cinnamoroll's tenth anniversary, the white puppy takes a nap and falls into an abandoned amusement park where he meets the rabbit Chocolat. 

(Source: ANN)