The unspeakable man died, Harry Potter became the savior, and Snape lost the one he loved. In order to atone for his sins and to protect the children of the one he loved, Snape volunteered to become a double agent.
Because of Lily's death, Snape fell into despair again and again, and no longer expected to have the warmth of home. However, inadvertently, he discovered that he had a daughter, a daughter who did not know when she existed in this world. For a moment, Snape was both happy and guilty. He had a child connected by blood, but at the same time he betrayed Lily. Under the contradiction, Snape did not dare to face his child directly and tell her his identity, so he could only visit secretly. The story happened at this time.
Conception: