Rule 34 Dev - armpits black_hair black_rock_shooter black_rock_shooter_(character) blue_hair bondage breast_press breasts chains collar female femdom femsub glowing glowing_eyes hatsune_miku kissing kosame_daizu leash lying multiple_girls nipples nude saliva saliva_trail sexy_armpits slave straight_hair symmetrical_docking vocaloid yuri|14332568