It's My Time (Miraculous Tales Of Lady Bug and Cat Noir X Reader)(Under editing)

An average boy recently moved to Paris in hopes to get an experimental treatment for his heart problem. After finding out that the procedure takes over 5 years he is forced to go to school at Collège Françoise Dupont. After finding out about the procedure the day before his first day at school he helps an old man with his groceries who in turn gives him a pocket watch...

This is your story