Christine sighed. "OK - we are partway there. Anyay, I need to make an adjustment anyway. You don't want puny human balls behind that draft horse cock of yours, do you?"
"Wait a minute!" Brian looked nervous. "I don't want to end up losing my balls, too!"
The Drow elf grinned. "Oh, losing them is not a problem. As a matter f fact you might like this..." She concentrated a moment, and then waved her hand.
Brian's eyes grew large and he grabbed at his crotch. "Shit! What are you....?" He yanked his pants down to reveal four balls - of a Clydedale. The enormous ball sack looked like a bag of naval oranges, and it jerked upa nd down as what had to be a quart of horse cum shot out of Brian's small elven penis.
"Isn't that better?" Christine grinned. "Now, all we have to do is shift two of those to Mike. And if you really want, I can make yours normal again. If you REALY want."
She concentrated on Mike this time, and mumbled some words. Mike jumped as something happened between his hind legs...