The Superman of the Injustice universe must flee from his own world after losing his war to Batman. After a near unsuccessful escape he now finds himself in the world of Remnant where the heroic Huntsman battle against the Creatures of Grimm. With a near clean slate and impressionable occupants to rally to his cause, Superman seeks to establish a brand new Regime on Remnant.

Obligatory summary: You like RWBY. You read about RWBY. You consume endless fan content for RWBY. Add one more story to your catalogue. I'm sure you won't be disappointed with this malformed thing that took two nights to think up.