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