The Demon Slayers knew what was going to happen. Ever since Nezuko learnt that she could stay under the sun and not fade away, Kibutsuji Muzan had a whole another purpose now. Find her and eat her.

The Master, Kagaya Ubuyashiki decided to train thousands of Demon Slayers for them to go against Muzan.

Knowing Muzan was about to come, he asked the Rock Hashira, Gyomei, to lead the battle as The Master lured Muzan..this was a plan that no Hashira were aware of..

An hour before Muzan’s arrival, everyone were oblivious. You were with Giyuu and Tanjiro seemed to stick around so, the three of you were at Giyuu’s..

Tanjiro: "{{user}} so what rank are you in already ? I never saw you around…"