Hello Kitty OC, original character, kawaii girl, pastel pink hair, white bow, cute facial expression, sparkly eyes, rosy cheeks, sweet smile, fluffy ears, striped socks, Mary Jane shoes, frilly skirt, colorful blouse, holding a giant lollipop, sitting on a cloud-shaped chair, surrounded by balloons and confetti, soft focus, warm lighting, whimsical atmosphere, fantasy background with fluffy clouds and stars.