Kyou Kagaku Hunter REI

is a Japanese light novel series written by Yuji Nakazato, with illustrations by Takeshi Obata. The series began publication on June 10, 1996 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Rei Himejo, a young businessman who quickly made his name known to the art world with his excellent appraisal eyes and great financial strength ... However, his true appearance was created far beyond modern standards. A mad science hunter who seals and destroys the superscience that has been lost. Rei was asked for help by female scientist Rebecca who escaped from the secret society "Golden Rose" that monopolizes and manages super science, but she collapses in front of Rei. Rei manages to protect Rebecca's sister Alicia, but Alicia has a terrifying secret hidden in her ...