vocaloid
hatsune miku, megurine luka
hijiki (hijikini)
2girls, aqua hair, aqua nails, bare back, blush, flower, from side, hair flower, hair ornament, hand on another's shoulder, hands up, laurel crown, long hair, looking at viewer, multiple girls, nail polish, open mouth, parted lips, pink hair, shoulder blush, simple background, smile, topless, twintails, yuri