Time Does Not Wait, Please Be Sincere

She is his childhood sweetheart, and he is her best friend. They were childhood sweethearts. She had liked him since she was a child, but he only regarded her as his sister. She lost everything for him. He was the world to her, but she was just a dispensable person to him. She thought she could wait for him to look back and realize how good she was, but she never thought that what was waiting was for him to hurt her deeply for another woman. When she was disheartened and disappeared from his world, he realized that he loved her already deep in his bones, but he was used to her existence and didn't realize it. So he looked for her like crazy. When they met again, she had no love or heartbeat for him, and all she had was a strange familiarity. But he would not marry her in this life, so the CEO came and started the long journey of chasing his wife. . . . . . . .