The Lost Giou

Everyone knows the story of the past lives between Yuki and Luka. Every life had the same pattern with Reiga and the Duras attacks. But this time it's different. Yuki's a boy and there's a little girl who's blood related to him. Who is she? And why does she look like Luka? Rated t: 'Cause I'm paranoid DISCLAIMER: I own nothing so you can't sue me.