Rule 34 Dev - 10s 4girls akita_neru black_hair black_rock_shooter black_rock_shooter_(character) blonde_hair blue_eyes detached_sleeves grin hagane_miku hagane_vocaloid hatsune_miku headset letterboxed long_hair multiple_girls necktie project_diva project_diva_(series) red_eyes skirt smile tanashi_(mk2) twintails vocaloid yowane_haku|1258909353