"Are you sure?"

"Yes. I want to try."

I remembered the ass fucking lesson Mom gave me last night - prepare the asshole and use plenty of lube. All I had was soap. It would have to do. I lathered up a finger and twisted it into her asshole, then added a second. Kathy tensed, but didn't say anything. I worked them both deep, twisting them back and forth.

"Do you still want it up your butt?"

Kathy nodded. I pulled out my fingers and stood, drenching my cock with soap. I pressed the tip against her sphincter. Kathy tensed. I pushed harder, wedging my knob deeper. I could feel...