[Action]

[It certainly isn't what he was expecting, and the combination of sensations does feel quite good. At last he gives up trying to keep his eyes open and just lets his head fall back against the couch while he loses himself in the feeling of her tongue and fingers on him. She's figuring out more things to do with her tongue, which is good, but there's one more thing she can do that he forgot to mention...]

... you can suck on it too if you want.

[When her tongue hits a particularly sensitive spot, he can't help himself: his hips arch upward a fraction of an inch before he manages to stop them. Mentally he curses himself, hoping he didn't startle her with that...]