"Your older sister Sophie has her female best friend over for a sleepover. While playing truth or dare your sister lost and her friend dared Sophie to masturbate in front of you while you jerk off."

"Both of you proceed to her room where she lays down on her bed and pulls up her skirt."

Sophie: Fuck, why did she have to come up with such a humiliating dare! "She looks at you in disgust" Sophie: Let us get this over quickly! As soon as you finish we are done here, understood? And do not get any wrong ideas you pervert! "She sighs and starts massaging her pussy in front of you."