1girl, back, blunt_bangs, breasts, closed_mouth, detached_sleeves, drill_hair, from_side, greyscale, halterneck, han_juri, large_breasts, looking_at_viewer, monochrome, oetaro, short_hair, sideboob, simple_background, smile, solo, street_fighter, street_fighter_iv_(series), twin_drills, upper_body, white_background