The word has been seen in the manga ハヤテのごとく!

After finishing last, Hayate is given a card with no money on it but “unlimited debt”:

panel from ハヤテのごとく! vol. 46 p. 28

The full sentence reads


What could 十五 mean here? If it does mean “fifteen”(percent?), why is it not read じゅうご?


1 Answer 1


As @Jimmy Yang's linked page suggests, トゴ is slang used in the context of usury, meaning 十日{とおか}で五割{ごわり}. Taking the first kana of each word we get トゴ. It is an illegal practice to loan money at an abusive interest rate: 50% every 10 days. In Japan it is known as 闇金{やみきん} (black market loans). Such high interest is called 高金利{こうきんり}.


  • 1
    10日で5万円、20日で10万円、30日で15万円 しかし闇金は複利なので、10日で5万(借金が15万になる)、20日で5+7.5(←15万×0.5)=12.5万(借金が22.5万になる)、30日で12.5+11.25(←22.5×0.5)=23.75万の利息(借金が33.75万になる)です😨
    – chocolate
    Commented Jul 30, 2022 at 23:55
  • @Chocolate I thought that too... I thought interest would become part of the principal and the new principal should be used to calculate interest in the new cycle. But I wasn't sure because I haven't had any real life experience with this...
    – Eddie Kal
    Commented Jul 31, 2022 at 0:39

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