The principal adores his grandson very much and asks the Sket-dan to prepare a picture play to entertain him. They decide to base the story off of Momotaro, but change things up from the usual... Afterwards, he asks them to play with his grandson for an afternoon, but the kid doesn't seem interested in having fun at all.
Here, I'll throw it, and you try and hit it.
Te la arrojaré, así que intenta golpearla.
Te la lanzaré, así que intenta golpearla.
Aqui. Eu vou jogar e 
você tenta acertá-la.