Rule 34 Dev - 3girls black_hair blonde_hair blue_eyes blush closed_eyes drill_hair glasses hair_ribbon highres long_hair looking_at_another multiple_girls open_mouth original pink_hair relationship_graph ribbon sai_koro short_hair silky_(silky_the_phantom_thief) silky_the_phantom_thief simple_background twin_drills white_background yuri|22209288309