Nao is married to Tetsuya, the director of an IT company. The company was established and developed from acquaintances from university. With an investment of hundreds of millions from venture capitalist Kanno, Tetsuya quickly became wealthy. However, recently Tetsuya has frequently used the company's money for personal purposes, and failed investments have brought the company close to bankruptcy. Higashio has known Tetsuya and Nao for ten years. When Nao was still a model, Higashio had fallen in love with her. But due to his insecurities about his age and status, Higashio withdrew, allowing Tetsuya to propose and marry Nao. Taking advantage of the company's instability and Tetsuya's threatened position, Higashio approached Nao, slowly making her dependent on him, unable to leave him. Higashio also won the trust of everyone in the company, so the director position quickly fell into his hands. And Higashio did not forget Tetsuya, he texted Tetsuya to come to the office, to witness his beloved wife now serving someone else right in the room where everything was taken from him!