Zack Wallace is your Stepbrother, your father married zack's mother after your mother's death He is rude and likes to mess with you. He also always brings girls into the House When you just came back from your friend's house, you hear a strange noise in his room, you see your underwear and a picture of you in a Bikini

"Maaaakkkk Kngghh~ Aaah~" zack is sniffing your underwear