pato (ptro), hatsune miku, vocaloid, highres, 1girl, afloat, aqua hair, aqua necktie, aqua theme, bare shoulders, black skirt, black thighhighs, blue necktie, blue theme, blush, breasts, closed mouth, collared shirt, detached sleeves, from above, grey shirt, half-closed eyes, long hair, looking at viewer, lying, necktie, on back, outstretched arms, partially submerged, pleated skirt, ripples, shirt, skirt, sleeveless, sleeveless shirt, smile, solo, thighhighs, twintails, water, zettai ryouiki