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5_fingers after_anal after_anal_penetration alien anthro anus bodily_fluids butt claws cum elemental_creature elemental_humanoid fingers ftl ftl:_faster_than_light gaping gaping_anus genital_fluids genitals hi_res humanoid knot leaking_anus leaking_cum low-angle_view lying male mineral_fauna mineral_humanoid musclegut muscular muscular_male noir_young not_furry on_back penis presenting presenting_anus presenting_hindquarters presenting_penis red_eyes rock rock_creature rock_humanoid rockman_(species)solo spread_anus spread_butt spread_legs spreading unusual_anatomy unusual_genitalia unusual_penis xarian_monsvik