Following the defeat of the Zodiarts the newest Kamen Rider, Kamen Rider Fourze can now get back to a regular life of High School. But what happens when the young Rider finds himself in the Mass Effect universe at the beginning of the Reaper War? Will Shepard and his team along with the help of Fourze be enough to defeat the Reapers and save the Galaxy?

When the Normandy approached the relay near Pluto, an SOS was received from the dwarf planet. Shepard found a living relic of Earth's past. Will his awakening change not only the galaxy's fate, but also Shepard's?