very detailed image, 4k image, (vocaloid), Hatsune Miku's face, Hatsune Miku's hair, Tall height, (she is very tall), beautiful eyes, 18 years old, Beautiful body, Athletic body, fit body, Mascular body, completely nude, big arms, big mascular arms, big legs, big mascular legs, big thighs, big boobs, big ass, in her room, she is laying on her stomach on the sofa, (cozy sofa), fireplace in the background, (cozy light from the fireplace), ((a dark room is illuminated by the cozy light from the fireplace)), she is wearing a Christmas hat on top of her, Christmas decorations in the background, looking at viewer, smiling, beautiful white teeth, side view