Genre: Mystery, Supernatural
Status: Complete, 25 Episodes
Summary: (from ANN) 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.


Episode 1 - Food
Episode 2 - Community
Episode 3 - Laughing
Episode 4 - Dog
Episode 5 - Rental
Episode 6 - Hair
Episode 7 - Box
Episode 8 - Dream
Episode 9 - Tightening
Episode 10 - One [Alone]
Episode 11 - Light
Episode 12 - Image
Episode 13 - X
Episode 14 - Trip [Dreamy Feeling]
Episode 15 - Dragon
Episode 16 - Spring
Episode 17 - Pursue
Episode 18 - Key
Episode 19 - 2 [Pair]
Episode 20 - Desk [Woman]
Episode 21 - Arrange [Tail]
Episode 22 - Woman [Witch]
Episode 23 - Blame
Episode 24 - Dice
Episode 25 - The Most