Kaori Norikawa has just started training with the Key-Seekers to become a Keyholder. The thing is, she just wants to be an ordinary kid. She hates that her parents are always off on missions, and she hates the Key-Seekers and the other Keyholders for hogging her parents' time and attention. But when danger knocks at her own door, she will have to face her Keyholder roots and all that comes with them…
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