First I take your soul, then i take your system

Mr. F, an aging soul mage, is confronted with his rapidly diminishing lifespan. Once a powerful sorcerer, he has now lost most of his magical abilities as he nears the end of his life. In a desperate attempt to extend his existence, he performs a ritual unlike any ever seen before, binding his soul to another. What unforeseen consequences could this union have for him—and for the future of humanity?