He and she were childhood sweethearts.
She thought that in this life she would just follow him forever and be a little follower. Whenever he is in need, she will appear in front of him to protect him. Once the danger is over, she will retreat off the stage, and that's it.
But he thought that in fact, she had already left him far away, and he could only watch her keep shining brightly and dazzlingly, which he could only hope to catch up to.
But in fact, fate has long tied them tightly together.
Purpose: Girls should love themselves well