Ai, variant 6 (Patreon)

- You see, with that mask on she can be shipped for testing as a secretary bot. And since our bots have sexual functions, she'll be fucked a lot. So to fully protect her from those acts, those inserts will act like, let's say, protective sheaths. Or condoms.

- And why is she drooling?

- Ah, it's because sheaths are expanding inside her orifices, covering them with protective membrane, allowing her to retain touch, taste and smell. After all, she do need to handle her tongue well.