Plz write me a sexy story

Could someone pleaseeee write me a short story about taboo hookup between a step bro and sis with there names Pat and sister named Becky. Maybe sneaking around the family at a holiday and get super raw and in detail. Have been flirting for years until they couldn’t take it anymore… I’ll respond with a story of ur choosing or get freaky in a pm. Plzzzz and thanks