Best sister forever

masterpiece, best quality, 2girls, multiple girls, (symmetry1.1), (loli:0.8), 17 yo, 16yo, baby face, cute kawaii female child, full body, floating, lying, on back, blush, smile, happy, dark-gray gradient hair, long hair, medium breasts, holding hands, white camisole, black pleated skirt, finely detailed beautiful eyes, blue eyes, barefoot, simple background, depth of field, cinematic lighting, diffraction spikes, lens flare, light particles, film grain,