Jesus’s Reviews > Demon Slayer: Kimetsu no Yaiba, Vol. 9 > Status Update

Inosuke and Tanjiro are in their meetup spot where they all go to inform Lord Tengen if they have found anything only to find that Zenitsu didn't make it. Later Uzui shows up and says that Zenitsu won't be making it and that he might have put them all in terrible danger as an Upper Moon might be inhabited in one of the Brothels. Tanjiro tells Inosuke that later that night they will meet up, but he gets held up...

What I read is that Inosuke ends up telling Tanjiro that he encountered probably a demon through the house that he was in, but he lost it since he wasn't able to run through the walls like the demon was doing. Later that night Tanjiro advises Koinatsu that he was leaving the house and leaves but then later gets a faint smell of a demon and when he returns back to the house he encounters the Upper Moon six Daki