Producer
"Saigo no Yakusoku" is described as a human suspense story involving the hijack of a major building. The members of Arashi play five young men who happen to be inside, and the story depicts their attempt to escape and their interactions with the other people caught up in the incident.
Producer
Young Furuhata, a 3rd-year junior high student from Tokyo, transferred to a school in the countryside due to family circumstances. He doesn't fit in at first, but he eventually gains a reputation as a detective and opens his own detective agency. One day, he hears about the town's legend of buried treasure, and he immediately begins unraveling the mystery.