Those humans are usually content staying on the Surface

but they came to the Underground and went on a rampage because of that noisy geyser, vengeful spirits and whatnot.

I didn't think you'd talk this much.

I know you guys have a lot of free time, but I can't believe you'd come all the way out here just for me to curse your doll, you're not only just bored, but also a gloomy and insidious youkai