Ep. 10: Daisuke investigates a bomb threat at Narashino Army Base and discovers a family connection.

Daisuke visits the Narashino Army Base to investigate a bomb threat in the city and check on personnel activities. He accepts an invitation to dinner from the commanding officer, where he unexpectedly finds that his granddaughter is Kyoko. Following this revelation, Daisuke and J uncover the link between the bomb threat and the 50th anniversary of the country's non-intervention treaty. The investigation reveals how these personal and historical elements intersect during their inquiry into the security situation.

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