You can tell by the look on her face.

Don't worry, it's a joke.

Lol, just realized why the futanari tag is there ^^. though it needn't be futanari (no attachment to be seen)

The original pic was showing Etna hugging a prinny, so I suggest, that in here she's just hugging some big monstres cock (I'd wish that was my cock ;p)

I second that Anon 3