Mirai Sentai Timeranger
Over time, the four cadets begin to realize that their presence would inevitably change the Future in the form of the City Guardians, a Police under the employment of the Asami Corporation to protect the city from the Londerz. The City Guardians form a tenuous relationship with the Timerangers, especially when Tatsuya's college acquaintance Naoto becomes Time Fire and later also becomes the City Guardian's captain.