kasuga ayumu, kimura, azumanga daiou, artist request, lowres, 1girl, ^^^, black hair, cheekbones, clothes lift, from above, from behind, full body, glasses, medium hair, oekaki, opaque glasses, open mouth, panties, panty pull, pee, peeing, public restroom, round eyewear, school uniform, serafuku, skirt, skirt lift, socks, squat toilet, squatting, teacher, teacher and student, tile floor, tiles, toilet, toilet use, underwear, what