Attack!! Nagoya Castle.At Nagoya Hinomaru attempts to wrestle a Sumo actor playing the role of Maeda Keiji but gets in an argument with a giant Sumo who also wants to wrestle Maeda and challenges him, only the giant is Tenma Hikage, AKA National treasure Odenta Mitsuyo who is most likely to become Japans next High School Yokozuna. Hinomaru sees an opportunity to throw Tenma and grabs him, but realise it was a trap and hesitates. The match is stopped by Tenma's captain and they leave. Tenma suggests he has a guaranteed method of defeating Hinomaru but wants to save it for the Nationals...