The championship was introduced in late 2006 and has been represented by a belt resembling the second IWGP Heavyweight Championship design.[2] Since Atsushi Maruyama won the title in 2015, it has never been defended nor has it been officially deactivated.
First woman to win the title. Ryuji Ito was the scheduled opponent for Danshoku Dino. However, his wife Nikkan Lee (who was the referee for the whole event) replaced him, fearing his recently injured arm was not fully healed yet.