Kemono Michi - Vol. 11 Ch. 51 - (Chapter 55)

[MangaDex]

 

[Dead_Men_]

When was the tag team wrestling match and when did we first met the vampire

 

[BrevityOfMammals]

When was the tag team wrestling match and when did we first met the vampire

It's a storyline from the anime, which is why they're making jokes about not being able to remember it

 

[Bluedog7o7]

Anyone who's confused on who these two are, go watch the anime. Though the Demon King doesn't really make since if we count the anime as Canon to the manga.