Judgment and its sequel Lost Judgment are two action games published by Sega and created by Ryu Ga Gotoku Studio that feature original characters living primarily in the Kamurochō district as well as Isezaki Ijincho. Both games follow lawyer-turned-detective Takayuki Yagami as he investigates criminal cases. Yagami's friend Masaharu Kaito is the central focus of The Kaito Files, a downloadable content expansion pack for Lost Judgment.