matsuo yukihiro, nishijou nanami, chaos;head, science adventure, game cg, non-web source, official art, 1girl, ahoge, angry, black hairband, black pantyhose, blazer, blonde hair, bow, bowtie, breasts, brown jacket, dress shirt, furious, hairband, jacket, lapels, looking at viewer, miniskirt, notched lapels, open mouth, pantyhose, petticoat, plaid bow, plaid bowtie, plaid clothes, plaid skirt, purple bow, purple bowtie, purple eyes, purple skirt, red trim, school uniform, shirt, skirt, small breasts, solo, sprite, suimei academy school uniform, swept bangs, transparent background, v-shaped eyebrows, white shirt, winter uniform