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.
You don't have to worry about me!
¡No tienes que estar a la defensiva conmigo!
¡No tienes que estar a la defensiva conmigo!
Você não precisa se 
preocupar comigo!