1girl, blush, bow, bowtie, chouzetsusaikawa_tenshi-chan, cross, empty_eyes, expressionless, frills, from_side, greyscale, gun, gun_to_head, hair_bow, hands_up, hirumanoinu, holding, holding_gun, holding_weapon, long_sleeves, looking_at_viewer, looking_to_the_side, monochrome, multiple_hair_bows, needy_girl_overdose, parted_lips, profile, quad_tails, revolver, school_uniform, serafuku, simple_background, solo, two-handed, upper_body, weapon