Classic 2D hentai style, crisp lines, bold black outlines, vibrant colors, dramatic shadows. A tall, handsome, muscular dark angel with pale skin, long golden-yellow hair, blue eyes, and large, majestic black wings. A powerful, athletic body. He’s hard-fucking a seductive female vampire from behind—she has pale white skin, long black hair, scarlet eyes, and a sexy face. Large breasts, black membranous bat wings. The female vampire is on all fours. The scene takes place in the courtyard of an ancient Gothic castle at night under a bright full moon. Against the backdrop of the stone walls and architecture of the old castle, moonlight illuminates their bodies. A clearly sexual scene, detailed penetration, reflections of moonlight on the skin. Dynamic side angle, dramatic lighting, cold blue moonlight, dark Gothic atmosphere, high detail, hentai aesthetics