One day, a mysterious portal appeared. Walking up to the portal was a ninja wearing black robes with some dark red marks on the robes, designed to give a sinister look to this ninja. This ninja wore a black helmet with red outlines. His name was Akuroninja, and he wanted revenge.
One week ago, he had formed an alliance with past enemies of the Power Rangers and Sentai Rangers from different universes, allowing him to become stronger. However, Akuroninja had a powerful enemy standing in his way: one of his interdimensional counterparts, known as Kuroninja. Akuroninja had taken over many universes, but lost after Kuroninja defeated him. Because of this, Akuroninja wanted to destroy Kuroninja, but he had learned something from another enemy of Kuroninja. Kuroninja's other enemy was another of Akuroninja's interdimensional counterparts, a grey ninja ranger known as Anti-Kuroninja. Anti-Kuroninja rarely battled Kuroninja in combat, and preferred to execute different strategies to take down his archenemy, just like Masakage Tsugumori of the Kibaoni Army Corps. Akuroninja decided to follow the path of Anti-Kuroninja, but he needed power. Akuroninja opened a portal to Earth-9, one of the many universes.
Akuroninja entered the portal, which took him to a universe conquered by an organization known as the Space Shogunate Jark Matter. A hologram of a hooded figure appeared before Akuroninja.
"You are standing in the presence of the Shogun of Jark Matter," The hologram said to Akuroninja.
Akuroninja said "You're Don Armage of Jark Matter, right?"
"Know your place! I shall give you a warning of what happens when you try and speak against Jark Matter's Shogun." The hologram of Don Armage then shot a bolt of lightning at Akuroninja. However, Akuroninja absorbed the lightning and filled himself with power. Akuroninja left the universe of Earth-9, not knowing that other portals appeared. There was a Sentai team on Earth-9 that saw one of the portals.