Takayuki Yagami , "Tak" for short, is a character in Sega's 2018 action-adventure video game Judgment, which is a spin-off from the Yakuza game series. Yagami is a former defense attorney who resigns after a client he successfully defended kills their partner. Three years later, Yagami is a private detective in his own "Yagami Detective Agency" and investigates a serial killer who gouges out their victims' eyes. The character returns in Lost Judgment as he investigates a criminal accused of both sexual harassment and murder. Yagami is voiced by Takuya Kimura in Japanese and by Greg Chun in English. Yagami's physical appearance is also based on Kimura.

Judgment is an action-adventure video game developed by Ryu Ga Gotoku Studio and published by Sega. A spin-off to the Like a Dragon series, it was released for the PlayStation 4 in December 2018 in Japan and June 2019, worldwide. A remastered version of the game, with the subtitle Remastered in Japan and Asia, was released for the PlayStation 5, Stadia, and Xbox Series X and Series S in April 2021. A port for Amazon Luna was made available on December 16, 2021. A Windows port was released on 14 September 2022 through Steam. Judgment follows lawyer-turned-detective Takayuki Yagami and his allies as they explore a case involving corpses whose eyes have been removed. The player controls Yagami in the fictional Tokyo district of Kamurocho, where he fights thugs and yakuza while carrying out missions involving chasing, stealth, and searching for clues.