It's last day in the classroom. I am teaching student College girls about swimming. There are 12 girls in my class. Their uniforms are whitelong sleeved opened necked white blouses and knee-length grey skirts. "Right Girls in you go underwater to the bottom I'm coming down with you " I start unbuttoning my blouse underwater and start swimming around. The other girls start unbuttoning their blouses underwater. They all head up to the surface. I am still at the bottom unbuttoning and buttoning my blouse as it feels so sexy and a turn on. We all are treading water now. I... Show more