Miraculous ladybug x Hero's of Olympus

Setting: while on the prophecy of Seven, the demigods decide to take a route through Paris. While in the famous city of love, the Seven demigods encounter a fight between a ladybug, a cat, and a giant baby! The seven believed the giant baby might have been one of Gaea's children. What should they do..? Help the mysterious superheroes of continue to search for Nico.

In this AU ladybug and Chat have already defeated Hawkmoth and know each other's identity's. They kept their miraculouses as Mari is the new holder of the miraculouses

I don't own any of these characters.

Hero's of Olympus- author: Rick Riordan

Miraculous ladybug: Thomas Austruct, Zag entertainment