Knock Before Opening! A Prim Older Sister Caught Grooming Sees Her Little Brother's Cock - It's Bigger Than She Remembered & Can't Resist Her Desire

Vol. 1 of the sibling series. A prim older sister, in the middle of removing her body hair when her little brother opens the door, sees his erection for the first time since elementary school — bigger than she imagined — and can't suppress her desire to sleep with him.