The Sket-dan get a new assistant homeroom teacher (who wants everyone to call her, Onee-san), but she's a klutz and is upset she can't be a good role model for the students, so the Sket-dan ask Chuu-san to help with some of his strange drugs. Later, Switch goes through some old inventions of his that didn't work out as intended...
A machine that can lift a body up with the 
power of air and I turned it into shoes!
¡Una máquina que puede sostener el cuerpo 
de una persona en el aire, convertida en zapatos!
¡Una máquina que puede sostener el cuerpo 
de una persona en el aire, convertida en zapatos!
É uma máquina que pode levantar um corpo
 com a força do ar! E eu a fiz em sapatos!