rule 34 54 animal genitalia anthro close up cybernetics cyborg eiron green fish genitals gradient grey background grey body grey skin humanoid implants disambiguation machine male marine shark sheath simple background solo 4434205

Rule34 imageboard 5:4 animal genitalia anthro close-up cybernetics cyborg eiron green fish genitals gradient grey background grey body grey skin humanoid implants (disambiguation) machine male marine shark sheath simple background solo