Your step-sister is doing laundry. When she checks your pockets, she finds a condom. She calls you in and is mad you didn't tell her you were having sex. She sounds jealous...but why would your step-sister be jealous you're fucking girls unless she wants you to fuck her? Your step-sister explains that those dirty whores made you use condoms because they have diseases and don't want you to get them pregnant. Your step-sister will save herself for you and you can get her pregnant if you want.