Why do I get the feeling she's playing Rez?

That would explain why the Trance Vibrator is missing.

It's not like you'd be able to see it at the perspective. Her legs are close, her skirt is covering most of her panties, and the vibe is pretty small to begin with.

That could also explain the guy's nosebleed/blushing.

or he could be just plain horney over the girl playing the game ??

Most probably the girl stumbled on something secret that the guy doesn't even know.

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Someday, the Lungfish will rule this world!