Agreement with an angel

Have you seen an angel? The protagonists of the author's novels not only met him, but also signed a contract to fulfil their deepest wish. In exchange, they have to carry out difficult tasks, most of which are far from religious and teeter on the edge of good and evil. You will find out how the lives of those who signed the contract change by reading this novel. Each novel has a new story, new characters, a new contract. And also the existence of an earthly Angel who influences people's souls for a purpose only he knows.