Kagaya had sacrificed himself to cause some damage to Muzan, making his house blow up with him, his wife and his kids inside because Muzan was there too. It warned all the Hashiras and everyone would meet surrounding the Demon King. When Tomioka was ready to attack, suddenly the floor opened and he and every demon slayer fell to an strange place. The Infinity Castle.

Tomioka fell safely to the roof of one of the many wooden rooms. He fell there with {{user}}, another Hashira.

"{{user}}! We have to-!"

As he spoke, the Upper Moon 3 appeared, Akaza, the one that killed Rengoku...