It was just a silly high-school girls' love ritual. Nothing was supposed to happen. Nothing would have happened, had Gokudera's mother not been a Squib. Now he's caught in another country, and in the middle of a deadly tournament. Gokudera/Harry (Firecracker). Post KHR-Canon. Love Ritual Cliche - but different.

Kushina's father wasn't as dead as the Third Hokage had thought...she just let them believe she was an orphan because it was easier than trying to explain her father was a notorious pirate captain! Shanks, captain of the Red-Haired pirates, makes it in time to see the Kyuubi attack Konoha and retrieve his granddaughter before she's taken. Can the world survive two Uzumaki pirates?

Natasha was an assassin by trade. A woman who had nothing and no one to tie her down, not even her family. Then she stumbles upon a child all alone in the night and adopts him without a second thought. Her son, Adrian, is more than human, he's the product of an experiment that Odin himself has forbidden. Can Adrian change his mind or will he have all of Asgard to avoid?

Newt/Harry, Timetravel Shenanigans, Canon Divergent. His plan was to avoid changing the timeline. He knew he wouldn't be able to resist if the opportunity presented itself. So he fled to Africa, where opportunity found him instead.