interspecies
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Sexual or romantic acts between members of different species (mostly between a human and a humanoid, but different species of humanoids are also acceptable). Examples include a furry character with a regular human, a human with a humanoid robot or sentient mecha (e.g. Transformers or Yuusha series robots), a human with a humanoid Pokemon such as a Machoke, Hypno, Gardevoir, or a human with a monstrous character such as a goblin, an orc, a Hilichurl, or Bowser.
Do not tag bestiality as interspecies; bestiality is for sex or romance with animals or beasts, interspecies is for sex or romance with humanoids.
See also
The following tags implicate this tag: furry_with_non-furry (learn more).