Fucking Your Step-Sister in Cosplay

Your step-sister comes home early from comic con. she's still in her sailor mercury outfit and she find you in her room with her panties!! you aren't expecting her home so early and you know you've been caught! you except your step-sister to be upset with you for this, but instead she confesses that she went all the way to comic con to experiment with a boy and you should have told her that you liked it because it would have saved her the trip! she could have just been at home fucking you! her step-brother! you are shocked but you don't miss this opportunity to promptly fuck your step-sister in her cute cosplay outfit while she encourages you to cum in her!