Kabushikigaisha Kyuketsu Heidan Chikemuri Tokyo Sokai (Tokuma Bunko)

[Machine Translation] Daigo Fuso leads the Vampire Squad, a mercenary unit that has been relentlessly hunting guerrillas on the battlefields of the world. However, after the sudden death of his father, he returns to Japan to take over the Fuso-gumi, a chivalrous organization. Now Daigo is a charismatic manager of a global corporation, but he receives word that his beloved daughter and a mysterious woman who controls the Fuso-gumi behind his back have infiltrated the Tonkin Concession, an independent state illegally occupying Tokyo Bay. The blood of Fuso, which thirsts for struggle, drives Daigo to a new battlefield!

世界の戦場で容赦ないゲリラ狩りをしていた傭兵部隊・吸血兵団を率いる扶桑大悟。が、突然の父の死により、任侠団体・扶桑組を継ぐべく帰国する―。今では仮の姿、世界的企業のカリスマ経営者として活躍する大悟だが、愛娘と陰で組を操る謎の女が東京湾を不法占拠する独立国家トンキン租界に、潜入したとの知らせを受けた。闘争に飢える扶桑の血が、新たな戦場へと大悟を駆り立てる!