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 ...
Well, I just feel bad that your 
mother doesn't understand...
Na ja, es nervt schon, dass
 deine Mutter das nicht versteht.
Bueno, me desagrada que 
tu madre no lo entienda.
Bueno, me desagrada que 
tu madre lo no entienda.
Bem, fico triste que sua mãe não aceite.