The four members of tennis club are asked to help with a bean throwing event by Kanae's cousin, who works at a nursery school.
Concerned the children are frightened of her, Marimo receives advice from the principal, but...
Don't let your guard down! 
There's another one!
¡No bajen la guardia! ¡Aún queda otro!
Não baixem a guarda!
 Tem mais uma!