Kathy Po is a Preventers operative and the daughter of Sally Po. She's basically the audience surrogate in New Mobile Report Gundam Wing: Frozen Teardrop—the early chapters follow her perspective as she pieces together the backstories of the After Colony and Mars Century eras. That framing device lets readers experience the messy history of both timelines through her eyes, which is probably why the story centers on her so heavily at the start.
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