sasaki mutsumi, kazuki hana, miyashiro takuru, chaos;child, science adventure, game cg, highres, non-web source, official art, 1boy, 1girl, 1other, black hair, black jacket, blue skin, blurry, blurry foreground, building, city, colored skin, d-sword, fat, fat man, giant, grey sky, hekiho academy school uniform, jacket, monster, navel, open mouth, purple eyes, school uniform, shibuya (tokyo), sky, standing, sumo, sumo sticker (chaos;child), tokyo (city), wide-eyed