gmkj, plana (blue archive), blue archive, animated, animated gif, 1girl, all fours, ass, bent over, black coat, black hair, black hairband, black serafuku, black shirt, black skirt, blue eyes, braid, clothes pull, coat, desk, from behind, full body, hair ribbon, hairband, halo, jacket, jacket pull, kneeling, long hair, looking at viewer, looking back, miniskirt, multicolored hair, on desk, panties, panties under pantyhose, pantyhose, pink hair, pink halo, pleated skirt, ribbon, school desk, school uniform, serafuku, shirt, single braid, sitting, skirt, thighs, two-tone hair, underwear, very long hair, white hair, white ribbon