A skilled rescue helicopter pilot who saves survivors early in the crisis, becomes romantically involved with Onodera, and navigates the collapsing nation's evacuation efforts.
Their love gives emotional weight to Onodera's decision to risk his life.
Before Onodera's final mission, he and Reiko spend the night together and express their love for each other.
Their separate duties support the civilian survival effort.
Reiko conducts rescue and evacuation efforts, while Takamori manages the national disaster response and later organizes the return of evacuees.
His sacrifice affects the same national recovery effort in which Reiko serves.
Tatsuya's death is publicly honored alongside Onodera's after the operation saves Japan, while Reiko participates in the rescue and recovery effort.
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