The Supreme Kais of the Dragon Ball Multiverse (including Old Kai of U7) invite the Watchers of 616 over for some tea. Neither side knows anything about the other's universe, but this is strictly a meet and greet. This is set before the Kais become aware of their impending doom or the tournament of power.
1. How do their conversations go?
2. Zamasu (pre-Goku Black) joins Gowasu and the other Kais as well. Now how does it go?