umyonge (lkakeu), kasumi (yama no susume), yama no susume, absurdres, highres, 1girl, all fours, black socks, blush, breasts, brown eyes, glasses, green sailor collar, green skirt, grey hair, large breasts, long hair, long sleeves, looking at viewer, pleated skirt, round eyewear, sailor collar, school uniform, shirt, signature, simple background, skirt, socks, solo, two-tone background, white background, white shirt, yellow background