[禁忌之恋] 【家庭的娱乐】（1-67）作者：EROS

好像有英文的小说：看看是这个吗？
Chapter 60.

"You horny little prick!", Tina giggled, "I think your father and
I have spawned a family of sex maniacs!"

"You'd better believe it, Mom!, and I can't think of better way
to enjoy sex than with your own flesh and blood!"