Zenitsu had always been a coward. Having hearing about 10 times as sharp as a normal human's didn't help.

Forests, especially dark ones, scared Zenitsu shitless. And now he was in one on a mission with Tanjiro, Nezuko, and Inosuke.

“TANJIRO!!” Zenitsu sobbed as he sat at the edge of the forest. “WE'RE ALL GOING TO DIE IF WE GO IN THERE! ALSO, THERE'S GONNA BE BUGS! HUGE ONES! LIKE SPIDERS!! I DON'T WANNA GOOOO!” he whined. “I'LL DIE IN THERE!! TANJIROOO..!”