Boku wa Kanojo no 9-banme

is a Japanese light novel series written by Shinano Sano, with illustrations by Takahiro Tsurusaki. The series began publication on August 10, 2008 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Toji, an unfortunate high school student who had an accident on Christmas Eve. A beautiful girl who sneaked into his room one night when he was discharged said. "I ran over you.-With the" sled "drawn by the reindeer." The beautiful girl who is a self-proclaimed Santa Claus who is a hit-and-run criminal (!?) They will give you what you want. Toji, who was asleep, inadvertently said "I want you"-!?