RetroSci style. Fantasy. A vibrant illustration depicting a serene, fantastical scene. The central figure is a young woman with fair skin and long, auburn hair adorned with a white flower. She is dressed in an elegant, flowing white gown with intricate golden embroidery and a sheer, lace-like skirt. Her gown is adorned with golden jewelry, including a necklace and bracelets, adding a touch of regality to her appearance. She is seated on a large, gnarled tree branch, with her left arm resting on the branch and her right hand gently touching a squirrel, which is perched on her knee. The squirrel has a reddish-brown fur coat and is engaged in a playful manner, adding a touch of whimsy to the scene. The background features a grand, ornate castle with multiple domed towers and intricate architectural details, suggesting a fantasy or medieval setting. The castle is bathed in golden sunlight, creating a warm, ethereal glow that contrasts with the lush greenery surrounding the scene. Various butterflies and small birds are scattered throughout the image, adding to the sense of tranquility and magic. The overall style of the illustration is highly detailed and realistic, with a touch of fantasy and fairytale charm.