Create an anime-style illustration of a girl with long, wavy blue hair with pink

Create an anime-style illustration of a girl with long, wavy blue hair with pink highlights, wearing a casual oversized t-shirt and shorts. She is sitting on a blue couch in a cozy room with soft, pastel lighting. The girl is holding a pink ice cream cone and smiling warmly. The background includes plants and various wall decorations, giving a homely and relaxed atmosphere."