Junjirou Takagi, known as President Takagi, leads 765 Production. He is the cousin of Junichirou Takagi and assumed the agency's presidency to prevent Junichirou from extensive travel across Japan, enabling more stable management.

During the events of the movie, President Takagi makes operational decisions. He proposes incorporating new trainees from an idol training school as backup dancers for 765 Production's upcoming Arena Live concert. This initiative introduces the Million Live! characters as supporting participants in the concert preparations. His position places him within the management structure overseeing the agency's activities.