Devil Bug

An insect monster known as "devil bug" that has existed since ancient times. They prefer dark, damp places, and aside from dwelling in caves and the like, they also often sneak into places such as warehouses and human dwellings unnoticed, living under the floor, in the attic etc. Their bodies are supposed to be right around the same size as a human girl, yet it's said that they're able to invade even small homes and settle down without the residents being aware of it. While they are intelligent enough to use language, they're almost completely irrational, and their behavior is directed by inst...