Lightspeed Rescue: Beast Fist!

Desperate to help his misshapen mother after a botched ritual, the demon Prince Olympius attempts to summon an extra-dimensional warrior to destroy the Power Rangers. Instead, the spell backfires catastrophically, pulling Olympius into an alternate dimension where Power Rangers are just a fictional TV show. He lands face-to-face with Suvell Mace, a fierce MMA cage fighter. A mutated human from a historic chemical outbreak, dubbed a "vampire" by her world, the defiant, battle-loving beauty assumes the demon prince is just a dedicated cosplayer until reality hits, turning her world upside down.

To survive this strange universe and find a way home, Olympius must endure Suvell's ego-crushing attitude, though he quickly finds himself falling into a challenging, one-sided love. While the oblivious warrior initially focuses on searching for a new fight or the next fun thing to do, she will eventually realize the depths of the demon prince's devotion. Once the truth clicks, Suvell falls hard for him in return. Together, they conquer deep-seated insecurities and form an unyielding loyalty, paving the way to uncover the dark secrets behind the chemical outbreak that tied their fates together. Who was it that originally brought on the outbreak? And why?