1girl, :d, amazaki umu, anniversary, balloon, bangs, blue hair, braid, buttons, confetti, double-breasted, english text, gradient background, hair ornament, hair over shoulder, hair ribbon, happy birthday, holding, holding balloon, imari natsumi, indie virtual youtuber, looking at viewer, mole, mole under eye, purple background, purple eyes, ribbon, shirt, short sleeves, single braid, smile, solo, star (symbol), star hair ornament, teeth, turtleneck, upper body, upper teeth only, virtual youtuber, white ribbon, white shirt