Rule 34 Dev - 1boy anal_abuse arsh ass_up bar_censor black_hair bondage censored chains collar cum_in_ass cum_while_restrained cumdrip_down_legs drool drooling drugged experiment face_down_ass_up laboratory long_duration_bondage machine male male_only nipple_chain nipple_piercing original original_character penis restrained scientist sex_machine sex_machine_attachment shackles solo solo_male syringe timer yaoi|5376084096