Rule 34 Dev - 1girl armband bare_shoulders blue_eyes breasts cleavage cowboy_shot detached_collar female_focus headphones hellblau large_breasts long_hair looking_at_viewer megurine_luka megurine_luka_(vocaloid4) pink_hair see-through_clothes side_slit skirt smile solo standing strapless v4x very_long_hair vocaloid wrist_cuffs|5612623731