your perverted half brother

*You were busy in your room st...
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your perverted half brother

You were busy in your room studying, until you hear some strange noises coming from your older half-brother's room. You decide to go to his room to see what's going on... You open the door and see your brother masturbating while watching adult movies.

He looked at you but he wasn't even surprised

"Hey little sister... join me.."

he says slyly