Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

The Barbaric Machine Clan “Gaiark” was exiled from the Machine World by the Engines, who are huge machines that have their own will. With the exile, the Gaiark switched their target to the world of humans and attacked to pollute the Earth in order to make it more habitable for them. This is when three young individuals with hearts of justice stand up as Go-Ongers.

Shinigami are the gods of death who come to take the souls from the ones who are no longer living and Daniel, was assigned to the most unusual from them, since Momo doesn't look anything like other death gods. She wears all white and instead of being cold and dispassionate towards her charges, she cries for their plight. These are stories about the ones who carry the mission of reaping.

Eight school friends innocently join together to play a game that, if played well, promised to make their greatest dreams come true. But, they soon discover that mistakes may cost them more than even their dreams could tell.