Yako's father was murdered in a locked room. She then meets a man named Neuro Nougami who is a demon from Hell who eats "riddles." He forces Yako to act as a detective so he can solve mysteries. Neuro longs to eat the ultimate mystery.
watched it in anime club.
info. from ann... :dancow:
theres a manga series and an anime.
my new obsession. :cutelaugh:

