After hearing the rumor about a mysterious virtual reality headset which allows the wearer to participate in Versus Road game from his friend Hoshiai, Kuon finds himself acquired one of said headsets and enters the game along with 99 chosen players. There, the ring mistress of the game, Shuka, presents a golden suit of armor as the game's grand prize and explains that the first level's goal is to survive by any means necessary as their numbers are getting halved. To increase the challenge, two biomechanical demon beasts, Horrors, are released upon the players where the demons will devour those who failed to escape their grasp.

Rosuke Narumi works at a trading company and he is pretty good at his job. He dates Satoko Matsubara. The trading company has a business relationship with a private high school experiencing some difficulties. One day, Rosuke Narumi is appointed as the principle of the private high school. Rosuke Narumi soon discovers how different the work environment is from his previous job. So the school can run in the black, Rosuke Narumi implements cost cutting measures. School staff members including Chihiro Mashiba oppose his plan.

21 years ago, a baby arrived on earth inside of a peach. Today, five warriors based on the legend of Momotaro fight enemies that are inhabiting humans, invisible to the naked eye. Together they fight to take back gears based on previous Super Sentai.

The Makai fight a secret war against the demon forces known as Horrors, evil creatures that manifest themselves through darkness to devour Humanity. On the frontlines are the Makai Knights, given the task of watching over a district and eliminating any Horrors that manifest there. GARO follows the tales of the Knights bearing the title of ‘Golden Knight Garo’, and their duty to vanquish the Horrors and protect Humanity from the darkness.