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anal anal_fisting anal_penetration anthro bdsm body_writing bondage bound dominant dominant_male dota duo ear_piercing erection fisting frenum_ladder frenum_piercing genital_piercing genitals gutsout_(artist)humanoid_genitalia humanoid_penis ladder_piercing male male/male meepo_the_geomancer monochrome mostly_nude nipple_piercing nipple_ring nipples penetration penis penis_piercing piercing ring_piercing selfcest simple_background sketch square_crossover submissive submissive_male suspension tally_marks upside_down valve valve_corporation western_tally_marks white_background writing_on_butt