Fighting for You (Leo Valdez x Reader)

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At the site of giant deaths, Does Mother Earth stay, The last of her essence, Must be put away. The Seven to go, Have two to sway, Through godly blood, To join their sibling's way.
This prophecy was recently retrieved from the Sibylline books. As the standout siblings of the Seven, you (Percy Jackson's new little sister) and Nico di Angelo are lugged along to destroy the last of Gaea's essence in her hideaway shrine in Greece.
While aboard the Argo III, you develop feelings for Repair Boy Leo Valdez. But how will those feelings hold up on a quest?