[M4F] your my sister/sisters friend and you are one of the smartest girls in your classes at college. You’ve come back for the summer to help me pass my final exams, but things get a little heated when we get to the sex ed unit.

[M4F] your my sister/sisters friend and you are one of the smartest girls in your classes at college. You’ve come back for the summer to help me pass my final exams, but things get a little heated when we get to the sex ed unit.