StepBrother, I Am Not Little Any More

I am going to the party tonight, and I don’t care, what you think about it. You are not our step father, and can't forbid it! I know, you behave like a jerk, cause you stopped inviting girls to your apartment, since I moved in, and didn't had sex way too long. Our parents wanted you to be my babysitter, but I will prove you, that I am not little any more.w