Based on

Movies like History of Japan’s Yakuza — Ambition Corps 3 (1999)

After destroying the Nio-kai, Ryuji and the Tenryu-kai begin expanding in Kyobashi, taking over former territories. Seeing them as a threat, Kurosaki Eigo, Wakagashira of the Kameda-gumi, urges Ryuji to join under their organization—but Ryuji firmly refuses.