Haha no Kyoukun (ハハの教訓; Mother's Lessons) is a song by Okai Chisato. It was originally announced in November 2017 that the song would "soon" be digitally released alongside "Oolong Hai no Onna" (which was later released on December 8, 2017),[1] but no further details about "Haha no Kyoukun" have been revealed since.

Song InformationEdit

  • TBA

Concert PerformancesEdit


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