Adventure/Give her a comforting hug
From Create Your Own Story
You sit down on the couch and hug your sister, wrapping her in your arms, but slowly you allow your boner to rub up against her thigh.
"Eek!" your sister shouts.
"What...? Is something wrong?"
"...No.."
She pulls you in a closer embrace Her left hand slips down into your lap and she squeezes your cock....