Protagonist Shinji Aratani is a man who lost everything around him—successful career, family, and friends—due to a twist of fate. His current job title is Chief of Registry Supervision Division of Ministry of Justice. Colleagues in other divisions look down on the Division saying nobody cares about their job and it's unneeded. But what they don't know is that the Division's true duty is to accomplish the top-secret mission from Parliamentary Secretary of Justice to "isolate time travelers in a s...