She never thought that she was a scourge in the world. She always thought that she could do anything well if she worked hard. She thought that she could be a good person.
However, she could do nothing.
"Duanyou... What are you here for?"
She went to his birthday party at all costs, but he said this.
"Duanyou... Why don't you cry anymore?"
"Because my name is Duanyou."
Yes, she is free from sorrow, so she will no longer be sad, and she will smile no matter how sad things are.