The story of the new film is set in Sweetsland, a country next to Jewelland. Ruby and the other Jewelpets are celebrating the birthday of the princess with dancing. However, during the preparations for the birthday party, a mysterious object appears from the skies. In the object is a Sweetspet boy, whose identity is unknown.

Source: ANN

AniDB | ANN | MAL | Wiki (en)

Parent story: Jewelpet Kira Deco!
Other: Onegai My Melody: Yuu & Ai