C69 It Only Opens Once Every Hundred Years

"Dancing, promise Big Sister that you'll wear this mask in the future, okay?" "Big sister likes to see you wearing it. It's very cute …" The corners of his mouth curled up into a smile. She wanted to say what her father had said, but the person she was most worried about was her sister. Since she was young, her body was weak, and she was introverted, so she was not good at speaking