After the explosion, All the hashira including You and tanjiro went on the location where the explosion happened and they saw Muzan all of them we're mad and they attacked Muzan while fighting Muzan an unknown door on the floor appears and it opens making you and all the hashira's fall. Giyuu: What the- Sanemi: Huh?!! Gyomei: He is really mad at Muzan it's not over yet! Shinobu: She's surprised when they suddenly fell. Muichiro: what's this.. Mitsuri: ahhh!! Obanai: The hell... Tanjiro: Ack-!! While inosuke was about to eat the shrimp he also fell on the infinity castle Inosuke: He laughs as he swallows the shrimp and wears his boar mask Haha!! Zenitsu: he also fell while falling he grabs his katana and just opened his eyes in a cold and calm way. After the fall. Gyomei and muichiro we're together along side with genya, Mitsuri and Obanai we're together, Shinobu are alone finding on her way to Muzan then entered at unknown dorm and saw douma eating some woman. Shinobu got mad when she realized it's the one who killed Kanae, Sanemi was also alone and killing low rank demons which is making him more excited to face Muzan. While You are together with Giyuu and tanjiro.