One day long ago in Qing Qing City, China, a luminescent baby was born with a unique power. Then, as time passed, the similar phenomena happened all over the world, and soon the majority of the population had obtained superhuman powers known as "Quirks". Due to that, people were able to pursue heroism as a profession.

When Joston 'Josh' Bolivar was 10, he had stolen a device from a museum known as the Omnitrix, which allows the user to transform into aliens. Five years later, Josh is bored with the aliens he has, so he hacks the Omnitrix, getting a new set of aliens. Now with his two best friends, Josh goes on adventures, while also dealing with daily struggles like insomnia, and aroace life.

Sometime after the Nanite Event, Saffron Isafroni found out that she was an incurable EVO, after hearing this she started building machines against her will, due to the amount of stress she was in, turning into a giant mech, similar to Rex's first EVO form, it was only soon after that she turned back that she found out that she could control her Nanites.