Hyakkiya Tantei Jimusho: Hyakkiya Hikari no Youkai Jikenbo

The action of the story takes place in the town of Azamati which mostly live girls-cats. The main character of hentai him-a girl named Ha yakutia Hikari works as a detective in her own detective agency “Hyakkiya Tantei”. The girl investigates various mysterious incidents in the city, which are somehow connected with the dissolute spirits of “youkai”.