i was always eager to learn more about biology, chemistry and fysics. once we got a new biology teacher and she was hot. well curved and a good teacher. soon she becames everyones favorite. during the period of exames she helped my with genetics. its was that day her birthday and she was wearing a tight darkbrown leather pencilskirt, black boots, white shirt and red jacket; really hot. during the extra lessons i got distracted and steelhard of her. She asked me to fetch some books in a closet but i came back and said i couldnt find them. Together we searched and that moment she kneeled down with her butt upwards to search at the lower shelfs near the ground. i stood behind her and couldnt hold it anymore. I took my dick out and after a few strokes i spunked accidently cum on her skirt. She didnt noticed and didnt saw cum on floor too. She kept on searching and asked me to fetch the concierge for a key of another locker. I went to the concierge and when we came back there where some other boys and girls also helping to search the correct books. later that day i heard a story she noticed the cum on her skirt and she went to the toilet were a girl saw her eating it. She was hot indeed. Unfortunately i went ill for several weeks, didnt graduate and when i came back she was gone as a teacher. Sometimes life sucks.