Fate Testarossa and Nanoha Takamachi from Mahou Shoujo Lyrical Nanoha HD Wallpaper

Two anime girls, one with blonde twintails and the other with brown twintails, stand holding hands against a backdrop of a large moon and scattered pink petals. The girl on the left wears a dark outfit with a red cape and holds a staff, while the girl on the right wears a blue dress and also holds a staff.