CultureGuest UserJanuary 05, 2022japanese, subculture, original, culture, yakuza, yama-ichi war, syndicate, crime, japan Japan's Bloodiest Gang War: The Yama-Ichi War One of the gruesomest gang wars in Japan. CultureGuest UserJanuary 05, 2022japanese, subculture, original, culture, yakuza, yama-ichi war, syndicate, crime, japan