takano yuki (allegro mistic), da capo, da capo iv, game asset, non-web source, official art, 1girl, asymmetrical legwear, black bow, bow, bowtie, braid, buttons, double-breasted, from behind, grey vest, gun, hair bow, holding, holding gun, holding weapon, long hair, long sleeves, looking back, miniskirt, multiple views, pink hair, plaid clothes, plaid vest, pleated skirt, red bow, red bowtie, school uniform, shirakawa hiyori, shirt, skirt, thighhighs, transparent background, turnaround, twintails, vest, weapon, white shirt, white skirt