The Courtship of a Beautiful Agent

She is a retired agent of a mysterious organization and the most useless person in that weird organization. She can solve a Rubik's Cube in ten seconds and solve a first-level Sudoku problem in five seconds. She has amazing logical reasoning ability and the ability to quickly arrange and combine numbers. After retiring, he only wanted to live an ordinary life with his family who had been separated for twelve years, study, work, get married, have children, and grow old peacefully. During an accidental bank robbery, he met young police officer Yang Siwen and they fell in love. Yang Siwen, the youngest leader of the criminal police team's serious crime team, was handsome and wise. He fell in love with her at first sight and fell in love with her at second sight. At the third sight, he decided that she was the woman he wanted to marry home, but he met his biggest love rival. He is the rich second generation that everyone envies, heir to a billionaire family, decisive in killing in the shopping mall, and unfavorable in love. He was rescued by her during a kidnapping. From then on, he only wanted to write his name in her family's household registration book.