goodnight?

A young woman with white hair and a blue bow sits on the ground in a desolate, overgrown landscape, hugging her knees with a large sword standing upright behind her; as the scene progresses, text appears over the image, first partially obscuring the view, then fully displaying a message that reads "GOOD NIGHT ALL MY LITTLE DEVILS ^-^ I HOPE THAT YOU ALL WILL SLEEP WELL AND HAVE WONDERFUL NIGHTS ^^", before fading out to reveal the original image again.