Yes, Kill la Kill originated as a manga. It gained popularity and was later adapted into different mediums, with the anime being particularly well-known.
The 'Kill la Kill' game often features a story full of action and over - the - top battles. It generally revolves around the main character's journey in a world where clothing has special powers. The protagonist has to fight against various opponents and uncover the mysteries behind the powerful uniforms, all while facing challenges and growing in strength.
One idea could be that Naruto and Sasuke are somehow transported to the world of Kill la Kill. They might get involved in the fight against the Life Fibers, with their ninja skills being a unique addition. Maybe Naruto's Rasengan could be used to disrupt the Life Fibers in a new way.
Fanfiction writers often give the characters in Kill la Kill more emotional depth. They might show Ryuko being more vulnerable at times, not just the tough fighter we see in the show. Writers also play with the characters' relationships. They could make Satsuki and Ryuko form an alliance earlier in the story, changing the whole dynamic of the plot.
One popular Kill la kill male oc fanfiction could be 'The New Transfer Student'. It adds a male original character who has unique abilities and gets involved in the wild battles at Honnouji Academy. He starts as an outsider but gradually becomes an important part of the story, with his own set of challenges and relationships with the existing characters.
One common theme is changing the past. In many of these fanfictions, characters go back in time with the intention of altering certain events, either to prevent a tragedy or to gain an advantage.