Sylphy Night

is a Japanese light novel series written by Junichi Kamino, with illustrations by Yuji Naruse. The series began publication on April 10, 2003 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Ensign Jean, who was ordered to switch to a nightfighter corps to meet the "Imperial" nightfighters, was paired with Sergeant Lime, a recruit girl. Lime, the survivor of the fairy tribe, has a good night's eye and develops his talent in night battles. In the time he spends with Lime, he heals the wounds of her lost comrades, and Lime also finds peace in Jean's capacity. However, the empire's invasion operation became more intense, and the war situation continued to worsen. And finally, the empire's all-out attack has begun ...