- Drama: One Half of a Married Couple
- Romaji: Nibun no Ichi Fuufu
- Japanese: にぶんのいち夫婦
- Director: Ayato Matsuda, Takeyoshi Yamamoto, Naoki Kato
- Writer: Yukino Natsukawa (manga), Akiyo Kurosawa (manga), Izumi Kawasaki
- Network: TV Tokyo, Paravi
- Release Date: May 26, 2021 — (Paravi) / June 2, 2021 — (TV Tokyo)
- Runtime: Wed. 21:00 (Paravi) / Wed. 24:40 (TV Tokyo)
- Language: Japanese
- Country: Japan
Aya Nakayama (Manami Higa) is a 32-year-old housewife and she has been happily married for 2 years. To other people, Aya Nakayama and her husband look like the perfect married couple.
One day, Aya Nakayama sees a message from a strange woman on her husband’s cellphone. She wonders if her husband is having an affair. She also remembers that she and her husband have not been intimate in the last two months. Aya Nakayama begins to find other evidence of her husband having an affair.