Stories by JollyHippopotamus

A man who's dedicated his life in the pursuit of some measure of equality in law - even through darker means. Suddenly finds himself in the Magical world. In place of one man who could have changed so much had luck been different. He had the name, the blood, the money, the reputation. What could he do with such a boon? Only there is one... Slight problem.. OC/SI into Sirius Black.
Reborn into the magical world, amazing! In Harry Potter's year, oh well, canon will take care of itself won't it, still it's Magic! Are the adults actually competent? Well there goes canon, what do I do? An OC/SI is reborn as a muggleborn into an AU magical world, a mix of Hogwarts Legacy/Mystery and the books - it gets pretty dark, fair warning.
MCU AU, mix of X-Men and MCU. An SI/OC takes over Justin Hammer, two years before the events of Iron Man. with a lack of scruples, an international weapons conglomerate at his finger tips, and a hankering for humbling Tony Stark while still keeping him on the path to save the universe, what shenanigans will ensue?
What's a guy to do? Stuck in Brockton Bay, literal hell on earth with planetary annihilation coming - with someone to protect, someone to save... The heroes wouldn't take him, the villains would murder him without compunction. So fuck them all, the world can burn as long as his sister comes out of it okay. (OC/SI Villain Protagonist)
Reborn into the Naruto world with the third war looming ahead. What's a civilian born girl to do? Become an S-rank Genjutsu mistress of course! Now if only she can survive her own family, her sensei, and Orochimaru is in the village too isn't he? who needs enemies with these allies? OC/SI, AU world.
When Panacea triggered at 14, a new personality took over. One that knows the future, well most of it, some things don't seem the same. The new personality is not hesitant in playing around with her power. She wants things, and being a Hero doesn't really sound all that fun, does it? AU world (OC/SI) into Panacea.
Born into One Piece with plenty of time to get buff - Kaito wants to enjoy his second chance at life. he could join the Straw Hats but... That's not an adventure - he already knows their story. He'll have his own story - Explore and fight and laugh. An OC/SI into One Piece. Original crew plus some extras - new adventure, not a rehash of the same story beats.