Assault Lily: Move Out, Team Hitotsuyanagi!

Assault Lily: Move Out, Team Hitotsuyanagi! (アサルトリリィ〜一柳隊、出撃します！〜) is a light novel written by Kasama Hiroyuki and illustrated by Yaegashi Nan and Hosoi Mieko. It was released on June 20, 2015.