sorry I cut a lot of stuff to avoid copyright (and I'm lazy) but u can watch the original video here
   • 玄弥・カナヲの『鬼滅の刃 目指せ！最強隊士！』稽古（出演：岡本信彦・上田麗奈）  

in the video:

Genya VA : Okamoto Nobuhiko
Kanao VA : Ueda Reina

tags
Kimetsu no Yaiba game sweep the board anime manga seiyuu eng sub