Ryuji Inahara, the heir to the Atami Yamazakiya family, subsequently placed the group under the control of the influential members of the Guretai, known as the "Yokohama Four Heavenly Kings," and the Inahara group quickly expanded its influence from Yokohama to the Tokaido region. The world of yakuza then enters the era of Ryuji Inahara and Masao Tashiro, the third generation member of the Yamaga-gumi.
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