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In the world, カズトモ (カズトモ ) is an extremely rare unknown gender first name. Much more prevalently, カズトモ is the last name as well as the forename.
Kazutomo, 一友, 一知, 和友, and 和智
オダ, タナカ, ヤマグチ, コバヤシ, マエハラ, ナカジマ, and ナカシマ