Stepsister gives stepbrother a morning handjob for his throbbing hardon

It's a new day and stepbrother wakes up with a raging hardon. His stepsister walks in and sees his throbbing cock. She can't resist and decides to give him a hand. She starts stroking his shaft slowly. He groans as she picks up speed. She can feel his cock getting harder and harder in her hand. She keeps going until she feels him explode in her hand. She loves the feel of his cum dripping from her fingers.