Run to Resist: The Last Endorphin.

In a body that has become inactive, fat molecules build up an opressive police force, curropting and destroying the biological metropolis of Somato City. The last living Endorphin remains to fight this dystopian system, dedicating his running to making the body active and healthy again.

Anthropomorphic Dystopian Fighting Science Kids (3-12)
Teenagers (13-18)