December 2021, Tokyo District Court. Akihiro Ehara is accused of touching a woman on a crowded train. Eyewitness video footage of his attempt to flee the scene and subsequent arrest is all over the news, with public calls for the maximum sentence. Ehara suddenly brings up in the middle of the trial a crime that happened three days ago in an abandoned building in Yokohama where a dead body was found. You are detective Takayuki Yagami, who is tasked with finding out the background and perpetrators of the crime together with former Yakuza colleague Masaharu Kaito.
Immerse yourself in the congested centers of Tokyo and Yokohama and encounter several factions with whom it is easy to talk. Talk to several different people to learn more. In fierce battles, you can take advantage of your opponents' energies. Yagami's detective skills grow along the way, e.g. in the form of new devices.