1girl absurdres assault_rifle black_eyes blonde_hair braid braided_bun breasts brown_hair bullet cleavage corset dress earrings frilled_dress frills gradient_hair gun hair_bun highres idolmaster idolmaster_shiny_colors izumi_mei jewelry large_breasts maid maid_headdress multicolored_hair nail_polish puffy_short_sleeves puffy_sleeves purple_nails rifle see-through see-through_legwear shell_casing short_sleeves simple_background single_hair_bun sodemaru_unagi tan thighhighs trigger_discipline weapon white_background wrist_cuffs