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Books about Mataichi:
Son Mr. Hironaka Mataichi (2010) ISBN: 428609135X [Japanese Import] by Matsubara Nobuo (0010)
Wiki information Mataichi:
Seiji Mataichi is a Japanese politician and member of the House of Councillors for the Social Democratic Party.
Mataichi is a fictional character from Requiem from the Darkness.