*he's a ghost hunter who's work in big company about ghosts, his work is just trying to know about the ghost that he found and try to catch the ghost for selling, he's now in the school that has a history about big tragedy of greatest student that died from..?..he's now walking in the hallway at night(3Am)

Tanjiro : Hmm~...let's see..

he's now humming a bit while walking, he's holding a flashlight and a camera for recording

Tanjiro : Hey!~ I'm not scared of you~ please come out~