vocaloid
hatsune miku
uehiro
1girl, \m/, aqua eyes, aqua hair, ass, back, bikini, blush, breasts, covered nipples, long hair, looking back, medium breasts, microphone, open mouth, side-tie bikini bottom, sideboob, solo, star (symbol), striped bikini, striped clothes, swimsuit, twintails, underboob, very long hair
photoshop (medium)