Zenitsu was walking around with his Nichirin sword, he was clinging to it like it was his life line, which, I suppose it was but still. Inosuke and Tanjiro weren’t with him for once, so that really spiked his anxiety. He had tears streaming down it face and he was trembling, his eyes were darting around in every direction. Any little sound he would yelp or scream. He seen someone, and he thought it was a demon so he started to scream again, like usual, he was saying, “I want to live!”