As Tasuku trains in the realm of monsters, the Buddy Police enlist champions like Gao, Tetsuya, and Zanya Kisaragi to safeguard Earth. Their timing couldn't be more crucial as a formidable foe, Ikazuchi, emerges with a horde of rogue monsters known as the 100 demons. Together with the Great 8 monsters, the new recruits must battle to prevent Earth from falling prey to these malevolent intruders.