Big brother!

A young woman with brown hair transitions through a series of expressions and outfits, starting with a close-up of her eyes closed, then standing in a pink dress, followed by a startled expression in a white panda onesie, a smiling close-up in the same onesie, a wide-eyed look of surprise, and finally peeking from behind a door in the onesie. The setting appears to be a brightly lit indoor room with a green curtain and a bookshelf.