After a while, Maggie decided that she wanted to suck her brother's cock. So she moved her head closer and opened her mouth. Mark's head was thrown back with his eyes closed, enjoying the handjob, but thinking about his mom stroking his cock, when he felt his sister's tongue touch the head of his cock.

"No!" Mark pulled his cock back from his sister's mouth.

"Maggie, you can jack me off and make me cum like mom did, but we can't go any further than what me and mom does. Ok?"

"Ok" she responded and began stroking her brother's cock again.

As Alice watched and masturbated, suddenly an arm reached...