Run Sister Run! (2010)

Emilia is a teenager and a good girl, who never forgets her homework or her little sister, Elsa. Siiri is just one year older than Emilia but not at all like her. When Emilia and Siiri become friends, Emilia's life changes. Siiri encourages her to take a leap, shake the rules and leave princess dreams behind. These two will have fun together, but not only good times.