Darkness Unleashed (Miraculous Ladybug Marinette X Male OC Reader)

Superhero from America, Y/N L/N, with elemental powers and a dragon like transformation never has time for his normal life. Until the day he met an ordinary girl with a normal life, Marinette Dupain-Cheng.

An evil demonic villain Dark Legend plans to destroy the world with darkness and a shadow army from another dimension. His attempt ultimately fails when Y/N confronts him. Their battle in America would accidentally lead them to end up in the city of Paris.

In Paris, Dark Legend goes into hiding to plot his next attack while working with the villain Hawk Moth. Y/N teams up with the Miraculous heroes Ladybug and Cat Noir, training them both in the process. As a team, the 3 heroes would face the akumas sent by Hawkmoth and the shadow monsters from Dark Legend.