Oh God, Not Again! By Sarah1281

Adult Harry Potter accidentally goes back in time and wakes up on his 11th birthday again, but with all his memories of the future intact.

Confused by Time (Percy Jackson fanfic) (currently being rewritten)

Annabeth managed to escape Tartarus and join the seven in the war against Gaea, but Percy was left behind. Now, three centuries later the Doors of Death are opening again and nine heroes descend into the Pit. The events which follow, none of them could have anticipated. Everyone says that time heals all wounds, but Pe...

Then Again

- Sequel to Adopted By a Billionaire; cover made by Blah0Blah0Books - Secrets are revealed, trust is broken, and one Peter Parker enters the scene.