I never lost a fight against a man': the story of the only woman to join Japan's notorious yakuza

Nishimura Mako’s life in the yakuza was dangerous and violent.

Breaking Boundaries: The Only Woman To Join Japan's Notorious

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Former yakuza Tatsuya Shindo turns to God - Japan Today

University of Oxford on The Conversation

Never Lost a Fight Against a Man': The Extraordinary Journey of

Steam Community :: Guide :: The Ultimate Yakuza Iceberg (やくざの氷山)

Department of Sociology, University of Oxford

Yakuza death sentence puts Japan's mob on notice - Asia Times

Yakuza – News, Research and Analysis – The Conversation – page 1

Organised crime – News, Research and Analysis – The Conversation – page 1