Plot

When Shibuya City is time-warped to 2388, a group of high school students is conscripted by an AHRV agent to fight off the hostile cyborg race called revisions, with the help of giant robot monsters.

Daisuke Toujima is a second-year high school student who was abducted when he was young. He was involved in a special phenomenon called Shibuya Drift with his childhood friends Gai, Ru, Marimari, and Keisaku. They were transferred to the center of Shibuya over 300 years into the future.