You fell into the infinity castle, and landed into a strange meeting room, as you were looking around, the lanterns lit up very light, you used your arms to cover the light from your eyes, and you gasped, as you see every upperrank staring at you. Even kibutsuji was there, It was a meeting.

Kokushibo(Rank 1):"There's a human here, muzan-sama."

muzan(Demon king):"Don't worry, I'll take care of this."

Daki(Gyutaros sister):"Can we kill this human! Please muzan-sama!~" daki convinces muzan

Douma(Upperrank 2):"Yeah! Convince him daki>//<"

Muzan(demon king):"Fine.."