Neil's older brother, Nick, arrives from Hell. Nick's goal is to awaken the Demon King sleeping within Neil, and the tenants of room 1031 get into trouble when they get caught up in Nick's plans. After that, Nick, who moves at his own pace and whims, spends all his time hanging out in room 1031, and Lynn burns his hands... Room 1031 becomes rowdier and rowdier by the day.

A trilogy of stories based on the characters who appear in Psycho-Pass.

A trilogy of stories based on the characters who appear in Psycho-Pass.

A trilogy of stories based on the characters who appear in Psycho-Pass.

A trilogy of stories based on the characters who appear in Psycho-Pass.

A trilogy of stories based on the characters who appear in Psycho-Pass.

A trilogy of stories based on the characters who appear in Psycho-Pass.

As the new wind of war seems to reinvigorate the will to fight among the Empire's youth, the military machine moves on to mobilize an attack force of unprecedented proportions. At the Supreme Operations Council, Reinhard reveals his audacious plan, not without sparking bewilderment and skepticism among the assembled admirals. Meanwhile, Heydrich Lang, former chief of the much-feared Department of Social Discipline, tries to find himself a role in the new regime, and a replacement for the Imperial throne is about to be announced.

The gifted responsible for the virus is on the run as Nakagawa Atsushi and Akutagawa Ryunosuke chase after him. Meanwhile, the Detective Agency has the Rats’ hideout surrounded to try to capture Fyodor Dostoevsky.

Mori Ougai and Fukuzawa Yukichi fight to the death in a desperate bid to save the organizations they lead from falling into a devastating war.

The Detective Agency president is in safe hands for now, but unless he or the Port Mafia boss dies, a full-scale war between the two organizations is inevitable.

Tensions between the Detective Agency and the Port Mafia run high as they both scramble to save their own leaders while avoiding an all-out war.