The Great War - Percy Jackson

'To that bloodshed, crimson clover, uh-huh, the worst was over. My hand was the one you reached for, all throughout the Great War. Always remember, uh-huh, we're burned for better. I vowed I would always be yours; 'Cause we survived the Great War.'

When a daughter of the goddess of love and the son of the sea god meet, all things sane go to hell (or the underworld)