Kage Kara Mamoru!(陰からマモルlit. Mamoru the Shadow) is a series of light novels written by Achi Taro. The light novels had ended in March 2008 with the release of Volume 12, but as of July 2009, a new series entitled Motto! Kage Kara Mamoru!(もっと!陰からマモル!lit. More! Mamoru the Shadow) has started serialization. It features manga and anime adaptations. The main character is Mamoru Kagemori, a ninja who is sworn to protect his neighbor Yūna Konnyaku.