masurao19, hatsune miku, hoshino ichika (project sekai), project sekai, vocaloid, absurdres, highres, 2girls, :d, anniversary, aqua hair, arm up, armpits, black skirt, blue hair, blue sky, blush, closed eyes, cloud, day, detached sleeves, hair ornament, long hair, multiple girls, navel, necktie, open mouth, pleated skirt, shirt, skirt, sky, sleeveless, sleeveless shirt, smile, standing, thighhighs, twintails, very long hair, white shirt