Usogui - Vol. 7 Ch. 75.5 - Volume 7 Side Story

[MangaDex]

 

[flafla]

Will u upload a chapter tmrw

 

[ish02]

hmm

 

[AngelHQ]

As expected, Yakou is insane...

 

[Moonbunne]

Anyway this was retconned later (or maybe always meant to be a non-canon joke) and further explained in the special issue