Harry Styles... My brother (Percy Jackson and 1D fanfic)
The war with Gaia just got over, the seven are alive. Kat Styles, the daughter of Poseidon is alive. She and her best friend Leo Valdez are in the mortal world, when something very unexpected happens. Harry Styles from one direction- that also happens to be Kat's favorite band- turns out to be her brother..?! After that shock she also finds out that the one direction stars are demigods..!