- Drama: Ame ni Kieta Himawari
- Romaji: Ame ni Kieta Himawari
- Japanese: 雨に消えた向日葵
- Director: Masato Hijikata, Kazuyuki Iwata
- Writer: Eri Yoshikawa (novel), Erika Seki
- Network: WOWOW
- Episodes: 5
- Release Date: July 24, 2022 —
- Runtime: Sunday 22:00
- Language: Japanese
- Country: Japan
On a rainy day, 5th grade elementary school student Aoi Ishioka goes missing. She left behind an umbrella on a road next to a rice paddy where sunflowers bloom. Kenichi Nara (Tsuyoshi Muro) is a detective in Saitama Prefecture. He hears about Aoi Ishioka’s missing person case and goes to the place where she was last placed. There, he sees Aoi Ishioka’s father looking for his daughter and other people. Aoi Ishioka’s parents are in the process of divorcing and Aoi Ishioka lived with her mother. Police are not sure whether her disappearance is kidnapping, some kind of accident, or a runaway case.
The police, including Kenichi Nara, are unable to locate any clues related to Aoi Ishioka’s disappearance. Facing Aoi Ishioka’s family, who are mired in deep sadness, Kenichi Nara thinks about his own younger sister Mayuko. In the past, Mayuko was attacked by a violent man. Since that incident, Mayuko has withdrawn from other people. Kenichi Nara became a detective because of his younger sister Mayuko.
Kenichi Nara continues to investigate Aoi Ishioka’s missing person case as best as he can and he uncovers the truth of her disappearance.