The Devil Within (Japanese: 天使の中に悪魔アリ, Hepburn: Tenshi no Naka ni Akuma Ari) is a Japanese manga series written and illustrated by Ryō Takagi. The Devil Within is about a teenage girl who dislikes grown men and has feelings for her younger-looking neighbour, Tenshi. Her father, Satan-sama, presents her with three adult suitors. The manga was published in Japan by Shinshokan, running in Wings magazine between September 26, 2002, and October 26, 2004. Two tankōbon volume were released on December 12, 2003 and February 24, 2006 by Shinshokan. It was licensed in North America by Go! Comi. Source: Wikipedia (en)