As soon as Otina returned to China, she received the news of the sacrifices of James and Lily. For Harry, she stayed away from the wizarding world and started raising children.
I wanted to take care of Harry safely when he grew up, but he had to pick up the wand because of Voldemort's resurrection.
Note: ooc primary school student writing style
It is assumed that James is not an only child
Concept: Love is the greatest magic in the world