• born and raised in sapporo, hokkaido
• moved to tokyo at 18 to attend university
• graduated with honours from tokyo metro police academy at 21

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• promoted to sergeant at 22
• promoted to inspector at 25
• transferred to okinawa at 28
• takes political corruption case at 30 {sk8 arc}
• denied promotion to chief inspector due to shindō case
• transferred to tokyo at 32
• transferred to okinawa at 33 on cold case {present - jjk au}