The Sket-dan is roped into helping with Onee-san's ex-kid's show's stage performance, but they never would have thought it'd turn into a race against time to bring smiles to children's faces and prevent severe bodily harm to themselves!
You're blunderers! Dullards! Turtles!
¡Desatinados! ¡Zoquetes! ¡Tortugas!
¡Imprecisos! ¡Zoquetes! ¡Tortugas!
Seus desastrados! 
Energúmenos! Cágados!