Gaba Kawa

Gaba Kawa (ガバ·カワ?) is a fantasy manga by Rie Takada, originally serialized in Japan from July to November 2007 by Shogakukan in Shōjo Comic and collected in a single bound volume. It tells the story of a demon girl named Rara who comes to the human world to cause mischief, only to find herself falling in love with a human boy. To help him, she uses her demon powers, but doing so causes her to immediately lose them.