Masterpiece anime hentai style, highly detailed 2D illustration. Beautiful young woman with long blonde hair in a thick braid, ahoge on top of her head, bright blue eyes looking back at the viewer over her shoulder with a soft expression. She is completely nude, lying face down on a blue and white striped beach towel, legs bent upward, feet in the air. She is holding a thin blue string with her toes, the string connected to a golden fish-shaped anal ornament deeply inserted in her anus, with a long white cloth decorated with small orange fish and blue swirls hanging from it between her buttocks. Bright sunny beach background with soft sand and blue sky, clean line art, vibrant colors, smooth shading, detailed ass and pussy, erotic atmosphere, best quality, intricate details, sharp lines