Mikami Reiko runs a business known as GS (Ghost Sweeper) Mikami, where she exorcises any evil that is bothering people. Her assistant, Tadao, only works for Reiko to see her nude one day. Too bad he isn't getting paid much for his job anyway. Later, Reiko and Tadao meet a spirit named Oniku who comes to help them in solving the mysteries of the supernatural.
Source: AnimeNfo
Dr. Chaos
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Her name is Mikami and she is a Ghost Sweeper by profession. She's also the sexiest exorcist/bounty hunter you will ever meet! When an evil vampire sorcerer returns to Tokyo after a 100-year absence, Mikami is hired to track him and his menacing assistant down before they take over the city.
Source: Animenfo