Completely surprised.

Jason was over the moon when he was partnered up in swap class with his teacher due to his original partner falling ill.

He felt strange being an adult woman and his own teacher but despite all that he was excited to have her body all to himself for a week.

But on the way home with his mother he could not help himself from lifting up the skirt he was now wearing to get a peek at her knickers only to discover she did not wear them which caused his mother to almost crash the car when she spotted what he was doing.