Un-Go

Un-Go (Japanese: アンゴ Hepburn: Ango) is a 2011 anime television series produced by Bones. Based on the noted Japanese intellectual and novelist Ango Sakaguchi's novel Meiji Kaika Ango Torimono-chō (明治開化 安吾捕物帖), the series is directed by Seiji Mizushima and written by Shō Aikawa.

Murder at the Ball ( Episode 1 )
Protagonist Shinjuurou Yuuki is contracted to a demon named Inga, she has the ability to devour souls and can can ask any person a single question, that person will have no choice but to answer with the truth in the first episode Kaoru Kanou, a corporate president is killed, Shinjuurou suspect that his wife is the true killer and ask Inga to use her ability on her.

Pitiless Song ( Episode 2 )
A wealthy manager in the idol industry named Hisako Osada is found murdered, Shinjuurou suspect that band named Yonagahime 3+1 is involved and ask Inga to interrogate one of it's member.

The Phantom Statue ( Episode 5 )
Two men a found dead inside a statue, Shinjuurou thinks that the statue's commissioner, Hakuro Shimada, is the murderer, but Inga's question him shows that he wasn't involved in the crime.

Daydream  ( Episode 7 )
Shinjuurou encounters a prisoner who claims that he is 'a novelist who writes in reality', he notice a mysterious silent girl next to him, when he tries to walk away the girl traps him in a vision where he is a cameraman shooting a film about a war that never happened.

The King of Paradise  ( Episode 8 )
Hearing that Shinjuurou have been imprisoned Rie and Izumi goes looking for him but they end up under the girls spell as well, Inga use her power on the novelist and figures out that girl is a deity known as Bettenou