After Becoming the Adopted Sister of the Gloomy and Sick Beauty O

(I really want to write this book, please collect it~, the collection reaches 150 karat) Pseudo-bone/disabled gloomy beauty/reunion after breaking the mirror/slightly strong. Control/sister dog A gentle and inferior-looking sister A × a gloomy but highly worthy lady O The eldest Miss O was disabled in both legs due to an accident when she was a child. Since then, her personality has become gloomy, weird, and uncertain. A was sent to the eldest lady O since she was a child. She was her adopted sister, her companion, her servant, and her comforter. When the eldest lady O is unhappy, she takes it out on her. When she is happy, she won't give her too much good looks. She can't even get along with the child bride. But A knew his responsibilities and was willing to become the property of the eldest lady. Unexpectedly, he came home one day and found that the eldest lady was chatting and laughing with the new young nutritionist. The man had a baby face and a bright and cheerful smile, like a little sun. A voluntarily quit and accepted funding from his adoptive parents to study medicine abroad. Returning to China many years later, he fell into a coma after receiving water from an old friend. When he opened his eyes again, he was in a dark basement, and saw the eldest lady with a gloomy face, playing with the chains that trapped her. After not seeing each other for many years, when A saw the eldest lady for the first time, what he thought in his mind was that she had lost weight. Did her new love make her unhappy over the years? How could a medical student not smell that there was something wrong with the water? This time, she was still willing. Purpose: Wish for world peace