Severus and kids

Intro So Severus comes to Potters house he finds James and Lily dead and is holding Lily’s body and Harry is cry in except Harry he hears another child crying in another room.He opens the door room and see a five year old child crying near him is a note.Severus go and read the note and it says”Dear Severus if you are reading this note it means that something bad has happened to me this is your child when we was in a relationship.Harry isn’t your son but he your is the child’s brother so pleas take care of both them. Love Lily!” Severus read the note and decide to take care of harry too. So you make the rest.I hope you enjoy it!