How to survive when you've forgotten your bathing suit?

After setting off for school in a big rush... Little Spirou is horrified to realize that he has left his bathing suit in his sports bag. He can already see himself pulling on the awful spare bathing suit which the sports teacher keeps aside for the absent-minded – a very flattering thing covered in flowers, which is too big and totally ridiculous. Little Spirou is going to need a solution before class starts, so that he doesn’t embarrass himself in front of Suzette and all the other girls in his class.