6 -Sechs-

is a Japanese light novel series written by Rei Rairaku, with illustrations by Kozumikku. The series began publication on February 10, 2012 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Hikoma Yamamoto has been involved in a mysterious incident in which a human being is burned to death after meeting a mysterious girl, Arisa.

It was the survivor of the "Sixth Day Incident," which created six supernatural powers 10 years ago, who saved him from a female detective, Hanahime Kitabayashi.