yakku, onoe serika, chaos;child, science adventure, absurdres, highres, 1girl, black thighhighs, bow, chest bow, cropped jacket, dress vest, gluteal fold, hekiho academy school uniform, kneeling, looking at viewer, miniskirt, no shoes, one eye closed, onoe serike, partially colored, red bow, red eyes, sailor collar, sailor shirt, school uniform, shirt, skirt, solo, spread legs, thick thighs, thighhighs, thighs, white sailor collar