Rave MasterRave Master.

Rave Master, Rave, and alternatively, The Groove Adventure Rave in Japan, is a Japanese manga series written and illustrated by Hiro Mashima. The series follows Haru Glory, a teenager on a quest to find the five fragments of Rave, the sacred stone of light, to bring peace to the world by defeating the criminal group Demon Card. Mashima created this series with the idea of travelling around the world and was presented with difficulties in its serialization due to its considerable length.