The World of Narue (Japanese: 成恵の世界, Hepburn: Narue no Sekai) is a Japanese manga series by Tomohiro Marukawa. The series follows Kazuto Izuka, an alien girl named Narue Nanase and the trials and tribulations of the young couple as they get to know each other. The title is taken from A. E. van Vogt's The World of Null-A (Japanese title: 非Aの世界 Naru ē no Sekai).