(masterpiece), ultra-detailed, photorealistic, 8k, side view, futanari, completely nude, standing with legs slightly apart, large natural breasts visible in profile, thick erect cock around 20cm, curving slightly forward, heavy balls hanging low, blue pubic hair, body glossy with sweat, sapphire blue hair with red highlights 2girl, blonde hair, nude, dick in mouth, tongue pressed along underside, cheeks stretched, drool dripping down shaft, precum leaking from glans, background, soft-lit bedroom, bed partially visible, warm shadows, focus on both characters in profile, erotic and intimate tone