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 ...
I'm going to teach you a 
lesson you'll never forget.
Ich verpasse dir 'ne Lektion,
 die du  so schnell nicht mehr vergisst!
Te enseñaré una lección 
que nunca olvidarás.
Te enseñaré una lección 
que nunca olvidarás.
Eu vou te dar uma lição!