matsuo yukihiro, orihara kozue, chaos;head, science adventure, game cg, non-web source, official art, 1girl, annoyed, antenna hair, black bow, blazer, blonde hair, bow, bowtie, breasts, brown eyes, brown jacket, collared shirt, d-sword, dress shirt, hair bow, holding, holding sword, holding weapon, huge weapon, jacket, looking at viewer, miniskirt, petticoat, plaid bow, plaid bowtie, plaid clothes, plaid skirt, pout, purple bow, purple bowtie, school uniform, shirt, skirt, small breasts, solo, sprite, suimei academy school uniform, sword, thighhighs, transparent background, twintails, v-shaped eyebrows, weapon, white shirt, white thighhighs, winter uniform, zettai ryouiki