Chastity looked up at her brother in shock. Her mouth moved, like she was trying to spin up a sassy retort, but no sound came out.

"Well, get on with it," Mary said. The siblings stared back at their mother. "Must I do everything? Fine. Michael, you said you were close, so get moving. Chastity, take your clothes off. You need to be ready when your brother is, or this will all be for nothing. Don't just stare at me like idiots. This is what we agreed to - get going!"

Michael began rubbing his hand up and down his member lightly. It didn't look to Mary like he was...