"Just what can I say, Abi?" Her son answered in wonder as he pulled his face closer to her butt to get a better look at her asshole. "That's like asking me what the universe's most hidden secret looks like...You simply can't describe it, since there are no words to explain how enticing it looks."
"Come on, Daddy~ Don't tease me like that, and just tell me what you think about...If you don't, I'm going to think that it's unpleasant to look at, and I'll never have the confidence to show it to you again." She indirectly mentioned letting her son play with her anus at another time, completely forgetting that they were mother and son.
