Genius neurologist and computer scientist at Sakuba University. He is the creator of HAL and the Denshi Drug. After finding out that the Denshi Drug had been used by HAL on hundreds of people (rather than his two selected test subjects) he was killed by HAL's three supercomputer guardians (Tatsuo, Shiho, and Hiroto).

The Demon Neuro has a raging hunger for 'mysteries.' Being dissatisfied with his current regime in hell, he’s come into the mortal realm in order to satiate his ever-growing appetite. The murder case of a young girl’s father seems to be sufficiently enticing for the Demon’s needs.. But what else might happen between these two? Find out in this disturbingly good murder-mystery series. 
Included one-shot: 
Volume 23: Rikon Choutei (Divorce Conciliation)

The series focuses on Neuro Nougami, a demon who feeds on mysteries and puzzles, who comes to the human world to feast on the mysteries offered by humans who release negative energy from their planned crimes. As a demon, he must not make his presence noticed by the humans as it is the law in the human world. Because of this, he makes a permanent deal with Yako Katsuragi (who has her own personal mystery she has to solve), and together they solve crimes for Neuro's appetite.

__Birth Place:__ Naha, Okinawa, Japan
__Height:__ 176cm

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Eisuke Harukawa