Glue Instead of Lube? I’m Stuck to My Stepbrother’s Dick

A stepbrother and stepsister graduated from college and want to celebrate like real adults. They go out for hot sex, but the stepsister doesn’t know that her jealous classmate has switched her lube with glue. Now the stepsister is stuck on her stepbrother’s dick. She can’t get it up, and her stepfather is already coming home; she’s afraid he’ll see them.