TiTiKEi is the first book by renowned hentai artist ISHiKEi (also known under his circle name as Nise Midi Doronokai). It is a compilation of all of his original work since the first chapter, "Various Lewd Things" (Insei Iro Iro), debuted in COMIC Masyo back in 2005. TiTiKEi was the best-selling hentai manga in 2013, breaking records in Japan and solidifying ISHiKEi as one of the top hentai artists in the world.
Fanaticism tells the story of a maid who's hired to be the help for her new master. During the day she helps with the simple cleaning of the mansion but by night, she helps her master with his "sexual education training" so he can be a proper master of the house. But due to her gaining more favor with the master and slowly falling for each other, the rest of the help in the household plot to teach this maid her place.
