Dahlia Potter & That Time Fate Interfered a TimeTravel Fem Harry Fic

Harry Potter never expected to open his eyes again after Voldemort killed in the Forest in the Final Battle, but now here he was, opening his eyes to a dark, cramped, and familiar environment. What is going on? And then Fate makes her appearance and everything starts to make sense, or does it? He's a she, back in time, a second chance at life for the Boy Who Lived But Not Well