The Kimuras’ Return to the Field
Bullet TrainA retired couple’s reunion with their former life in the underworld becomes a practical response to danger facing their family.
increasing
Bearing strength in each event
decreasing
A Quiet Retirement

A Quiet Retirement
Choosing ordinary life
Shigeru and Akiko left dangerous work decades earlier, eventually building a modest life away from the city. Shigeru recalls that the people around him had seemed steeped in bad intent, while the supermarket offered a different daily world.
Their retirement is not a denial of their skills. It is a deliberate attempt to live without using them, a choice that becomes harder when their family is threatened.
The Family Warning

The Family Warning
Instinct returns
A call from a teenager alarms Shigeru, who recognizes the possibility of deliberate danger despite the lack of clear details. Akiko helps verify the train schedule and prepares equipment.
Their response demonstrates that retirement has changed their lives but not erased their capacity to act together. Their concern centers on Yuichi and Wataru, not professional reputation.
The Display Message

The Display Message
A modern signal
Shigeru arranges for a contact to send a message through the train’s electronic display, avoiding the old difficulty of reaching people without mobile phones. The text announces that Wataru is safe and the intruder is dead.
The method is a small bridge between Shigeru’s old network and modern infrastructure. It reassures the family and overturns the Prince’s belief that only he controls information.
The years before the train journey
The morning of the train journey’s final hours
Near Morioka, shortly before arrival