[the rubbing continues, aimed right at a different spot inside him as the pressure builds]

[it seems the tentacle is expanding slightly]

[the way his body tenses tips off the creature to gently squeeze around the base of his cock, denying him release once again]

[two miniscule, delicate tentacles feather around his back and along his side, trailing along his skin to his cock]

[they feathering their way to the head, then latch securely around it, and dip inside]