Matsu goes to Tokyo with the sumo-stable located near Reiko-sensei’s home, because why else would he want to go to Tokyo anyway?  Matsu however quickly angers his fellow sumo acolytes and professional senpais with his boorish disrespect.  But never mind them, he must first visit Reiko-san ...
You need to understand what kind 
of world this is, as soon as possible.
Ich denke, du solltest dies so schnell
 wie möglich begreifen.
Creo que debes entender la clase 
de mundo que es cuanto antes.
Creo que debes entender la clase 
de mundo que es cuanto antes.
Você precisa entender como este 
mundo funciona, o quanto antes.