It is October 11, 2099. A month ago, the planet experienced the largest blackout in its history after an electricity overload across the globe. Today, public spaces are very poorly supplied with electricity. Oxygen has also weakened, to the point of no longer being sufficient for everyone to survive. Phytoplankton has completely deserted our oceans and the few remaining forests are the residences of the wealthiest on our planet. For the majority of the population, artificial oxygen is essential, it is bought and sold everywhere. It is produced from synthetic leaves that use photosynthesis, like a real leaf. Air Liquide is the world's leading supplier of oxygen, it is present everywhere. From now on, every month I renew my "myO²" subscription. Applications measure my oxygen level daily and inform me about my state of health to avoid hypoxemia. At night I dream of moving without a mask that keeps me alive. I miss the fauna, I miss the flora and I wonder what remains of my freedom.