Crystal Jewels Brawl

Crystal Jewels Brawl (クリスタルジュエル乱闘 Kurisutarujueru rantō) is a book series from the Crystal Jewels franchise that was published in Scholastic from 1994 through 2003. The reboot of the book series, have yet to be release sometime in 2019. There are two series: one that starts in 1994 and ends in 1999, and the second that starts in 1999 and ends in 2003. The second title is called "Crystal Jewels Brawl X".

Plot
The young boy, Alexander, and his sister, Retina, are becoming Crystal Brawlers in the Jarbon region. After getting their brawler license, they went out to explore the Crystal World by befriending Laxmore and his friends. Squishing inducts them around and told them about the medal and the fact that he was the medal holder's pet. With he, his sister, and some Crystal Brawlers and Monsters agree to team up with each other and defeat the Furious Five and Devil J. In the second part, Tina is the main character of the series.