Ranmaru Shindo, five years after surviving the tragic Machida massacre, graduates from the Special Mobile Investigation Troops First Division Police academy after he was recruited into the police force as a patrolman since the two Shindo siblings have joined the police force as part of moving on from what happened in Machida. During his transfer to the Shibuya police station, he encounters the red-haired woman in a police uniform who had been the sole cause of his nightmares and two officers, who are said to be elite officers from the Tokko division.