os-tan
vista-tan, xp-tan
2girls, blue eyes, blue hair, blue skirt, blush, breasts, dress, frills, grabbing, grabbing another's breast, grabbing from behind, grey eyes, grey hair, groping, hair ornament, long hair, medium breasts, multiple girls, no bra, sideboob, sitting, skirt, smile, thighhighs, white thighhighs, yuri, zettai ryouiki
artist request, highres, photoshop (medium)