Double Penetration

You stopped sucking your dad's dick for a minute.

"I want all three of you to do me at the same time," you said.

"How will that work out?" asked your dad.

"I want one of you in my pussy, one in my ass, and one in my mouth."

"Now we're talking. Let's get fucking," said Samuel. "I think it's only fair that pops gets to pick first. What'll it be?"

Your dad shifted his eyes from you, still not comfortable enough to look into your eyes. "Um..."