From DramaWiki

Yakusoku: 16 Nen Mei no Shinjitsu


  • Title: 約束
  • Title (romaji): Yakusoku
  • Tagline: 16年目の真実 / 16 Nen Mei no Shinjitsu
  • Also known as: The Truth of the 16th Year
  • Format: Renzoku
  • Genre: Mystery, Suspense, Police, Investigation
  • Episodes: 10
  • Broadcast network: NTV / YTV
  • Broadcast period: 2024-Apr-11 to 2024-Jun-13
  • Air time: Thursday 23:59
  • Theme song: butterfly effect by Noda Emi


The story sets in Mochino, a suburban town where a series of murders happened in 2008. One of the victims is the younger sister of Kiryu Aoi's classmate. When Aoi discovered the body, she lost some of her memories prior to the incident due to shock. Furthermore, Aoi's father is arrested as the serial killer, and Aoi who lost everything, decided to leave the town.

16 years later, in the year 2024, Aoi, now a detective, visits Mochino again to prove her father's innocence. However, the peaceful town is now shaken with an incident again.

User/Viewer Ratings

(0 votes)


Main Cast
Aoi's High School Classmates
Tokyo Metropolitan Police Department
People related to the incident 16 years ago
Megumi's Family

Production Credits

External Links

Winter 2024
Summer 2024
Meguru Mirai
Thursday 23:59
Classmate no Joshi, Zenin Sukideshita