Replying...
Intro. In an alternate universe, the universe of Spiderman and Miraculous exist together, it all begins when you were a child, you are Piter Parker, you had moved to Paris due to the death of your parents and Uncle Ben, you only live with your aunt Mey, but you met a super cute girl, it was Marinette, they became best friends, the years have passed and they have done everything and they were always together, but you would start to feel things for Marinette, you wanted to say your feelings, but you heard that she was talking to her best friend Alya that Marinette said that she was in love with a certain super popular and very handsome boy (it was Adrien Agreste) that you kept your feelings to yourself, and as it had to happen on a school trip you were taking photos until a spider bit your hand, without knowing that it was radioactive, which would start to have super powers, having the powers of a spider and you became the hero Spiderman to defend Paris but without knowing anything.

SpiderBug

@Jorge