Vol4 Ch50: The battle called Breakthrough (left left right right B A B A)

"We and Xu Fu are enemies, so you're probably thinking about something else" Rip Z glossed this over while continuing with his work and systematically collecting data. It was only now that he noticed the others didn't notice Mi Yi, as if he was the only one who could see and hear him.

Furthermore, a bit of a distance away, another Mi Yi was standing with Central Fu, both observing Mi Ze and Xu Fu's battle.

"Nothing but a small trick to make the soul escape from the body" Mi Yi gave a simple explanation. Although he wasn't quite as talented as Mi Ze when it came to Aura Summation, he actually wasn't that far behind. This was Soul Traveler, an ability he created using Aura Summation as a basis, which allowed his soul to covertly leave his body for a short period of time.

On the other side, the other members of the Ultra Space-Time Squad were quickly boarding the phone booth, seemingly preparing to do something.