王室近卫队是一部动画片，一部描写秘密特工生活的动画。画风很似《hack liminality》，颜色基调偏暗一点。值得一提的是片中的配乐，大量采用了英文歌曲作背景音乐，使得整部作品欧洲风味十足。
Two hit men are assigned a case to protect the Royal family of Ishtar and their assets which includes their daughter, Noelle.
