In order to stop Grizza, Gauss and Musashi combined to pursue him, but encountered turbulence in time and space. In order to protect Musashi, Gauss was seriously injured, but he still protected Musashi. However, they met Oku Daichi from their childhood.
Musashi: Why do I always feel like I have a daughter-in-law for Aix?
Dadi: Brother Musashi, please save me!
Purpose: No matter where you are, there are dreams similar to your own.