Yesterday Enemy is Still Enemy Today(1995)

Yesterday Enemy is Still Enemy Today is a drama series following Arashi Kohei as he inherits his father's pharmaceutical company and must fight to keep control. Six months before his parent's death, vultures began circling, eager to seize the business from him. As Kohei navigates the cutthroat corporate world, he uncovers unexpected allies and bitter enemies among those closest to him. The series explores whether he has the cunning and resolve to survive in a brutal industry where loyalty is scarce and ambition runs deep. Kohei's struggle becomes a test of character as he discovers who truly stands with him and who plots against him in the high-stakes battle for the company's future.