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 ...
sitting up front who were 
telling you those things.
Einer von denen, die vor dir saßen
 und dir all diese Dinge versprochen haben.
sentados delante ofreciéndote esas cosas.
sentados delante ofreciéndote esas cosas.