Set in the same universe as Bubblegum Crisis, A.D. Police Files takes place in the distant future when technology has advanced enough for androids or "Boomers" to be created. Unfortunately, Boomer crime is an unpleasant side-effect that comes with the technology. A special task force known as the A.D. Police has been formed to deal with Boomers. Leon is a member of that police force, and together with his partner Jeena, they investigate Boomer crimes. Even though A.D.