Disappearing panties

The rest of Alex's trip to school was uneventful beyond her mistiming both lights so that she arrived just in time for it to make her wait at the intersection.

Between that and her stop at the college she was still running behind schedule and was one of the last students to arrive. She leaned forward to lock her bike to the rack and had the damnedest time getting the thing to click closed.

As she hopped off the bike her panties slid to the ground and off her feet as she stepped never actually making contact with her body with a little help of a gust of wind at the right time.

She quickly marched around the building and up the front steps.

As she used the entrance corridor for it's thing Alex was debating heading to homeroom or a bathroom to fix her underwear first when...