"That's right. Once they become one hundred, a spirit occupies them. So, people threw objects out when they were ninety-nine to prevent this from happening. Tsu-ku-mo." Reigen supposed Mob was a bit too young to have read things like the Konjaku Monogatarishū to acquaint himself, but that's what he had a wise mentor for now.

Reigen yelped as his foot suddenly sunk further than expected into the path--it was more muddy than he expected. He resisted the urge to swear. He should've figured - the bamboo was thriving after all. The rains in the forest must have been frequent. He had a jacket on and instructed Mob to do the same, but he should have tossed on some galoshes for good measure.

"So...that's what we're exorcising today." Reigen said as he yanked his foot free with some effort. "Our clients' old family property is being haunted by tsukumogami, according to them. Items going missing...umbrellas opening and closing themselves....tatami mats rolling up on their own..."