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 ...
Until he's officially admitted to our 
stable, he is a valued guest.
Er ist noch nicht offiziell
 unserem Sumostall beigetreten,
Aún no ha sido admitido en nuestro establo,
Aún no ha sido admitido en nuestro establo,
Ainda não o admitimos oficialmente 
Temos que tratá-lo como convidado.