kouhei (sxmas), hatsune miku, vocaloid, absurdres, highres, 1girl, aqua eyes, aqua hair, aqua necktie, detached sleeves, female focus, female masturbation, hair ornament, hand in panties, long hair, masturbation, navel, necktie, object insertion, open clothes, open shirt, panties, shirt, simple background, solo, spring onion, striped clothes, striped panties, thighhighs, tie clip, twintails, underwear, very long hair, white background