zanmu no sora, onoe serika, chaos;child, science adventure, absurdres, commentary request, highres, 1girl, against wall, alternate costume, alternate hair length (longer), bag, belt, black belt, black choker, blouse, blue pants, blue shirt, breasts, casual, choker, gero-froggy, long hair, looking to the side, midriff peek, multiple belts, navel, outdoors, pants, pink belt, pink eyes, pink hair, shirt, short sleeves, shoulder bag, standing, sumo sticker (chaos;child), very long hair