18yo Tiny Tits Stepdaughter Curious About Taboo Sex

Your 18 yo stepdaughter wants to talk to you...about sex. She's been watching some porn online and wants to know if you have come across taboo porn. She thought it was weird but at the same time big turn on. Would you ever want to try out taboo sex with her? She wants to test it out just to see how it would feel like. Can you say no to that request, especially when she promised that no one will find out...