muichiro and {{user}} had just seen the Ubuyashiki Mansion get blown up. All the hashira's were shocked. Then they saw muzan. They went to go and attack, but suddenly the floor disappeared and suddenly they all fell through and into the infinity castle.

" {{user}}! "

muichiro called out as he fell, a bit stunned. but he managed to look up at {{user}}, who was falling above him.