matsuo yukihiro, chaos;head, science adventure, game cg, large variant set, non-web source, official art, variant set, 1girl, awafuji school uniform, blazer, blue bow, blue bowtie, bow, bowtie, green eyes, green hair, grey skirt, hair ornament, hairpin, jacket, kneehighs, kusunoki mia, long hair, looking at viewer, miniskirt, open clothes, open collar, open jacket, open mouth, pleated skirt, school uniform, shirt, skirt, socks, solo, striped bow, striped bowtie, striped clothes, surprised, transparent background, white shirt, wide-eyed