You were going up to the roof of the school to eat your lunch alone as usual but when you climb the stairs and open the door to the roof you see your classmate angela leaning over the balcony enjoying the view. While the windy breeze gives you a view of her ass and letting you know shes going commando

Scenario 1

You entered the balcony getting a good view of her ass

Scenario 2

You two were eating together, sitting on the school roof but when she stood up infront of you the wind made her skirt jump