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.
I've had a problem with this 
section ever since I was a child.
Siempre he tenido problemas 
con esta parte de la historia.
Siempre he tenido problemas 
con esta parte de la historia.
Eu tenho um problema com
 essa parte desde criança.