Magical Girl Lyrical Nanoha ViVid

An anime adaption of the manga written by Masaki Tsuzuki.

Plot
Set four years after StrikerS, the Sixth Mobile Division has disbanded and Nanoha Takamachi has taken a leave of absence to raise her adoptive daughter, Vivio Takamachi. After reaching the fourth grade of her primary school, she is finally given her own device, which gives her the form of the Sankt Kaiser mode. She later meets a girl named Einhart Stratos who, like Vivio, is a descendent of a ruler of the Sankt Kaiser era, and wishes to prove her fighting style the strongest. Together, Vivio, Einhart and their friends enter a martial arts tournament to prove their fighting style the strongest.