BakuTech! Bakugan is a manga series written and illustrated by Shingo. In Japan, the comics have been published in Shogakukan's Monthly CoroCoro comics since September 2010. The manga follows the adventures of Harubaru Hinode and his childhood friend and rival, Raichi Kuronashi, as they battle with their BakuTech, which are superior to normal Bakugan due to special metal parts.