1girl alukaforyou background bikini bikini_top black_background black_gloves black_rock_shooter black_rock_shooter(cosplay) black_rock_shooter_(cosplay) blue_eyes blue_fire boots checkered choker content cosplay expressionless female fire gloves glowjacket highres knee_boots long_hair long_sleeves looking_at_viewer looking_to_side megurine_luka pale_skin pink_hair pink_hairsad scythe serious shorts simple_background solo square standing swimsuit vocaloid weapon