"First published in Japan in 2017 by Kadokawa Corporation, Tokyo"--Colophon.

"Atsushi far-fetched idea to form an alliance with the Mafia results in a summit between crime boss Qugai Mori and Armed Detective president Yukichi Fukuzawa. But when negotiations fail, Dazai has no choice but to infiltrate enemy territory alone to secure Q. There, Dazai runs into some unexpected trouble...until a familiar man appears before him...!:--iPag

"As Kyouka fights her past demons, the threat of a three-way war between the Armed Detective Agency, the Guild, and the Port Mafia looms. With each side fortifying their defenses, who will seize the initiative and land the first crushing blow? After an attack by the Guild's fellowcrafts, the Agency's chances for survival might just be gone with the wind"--Back cover.

"First published in Japan in 2016 by Kadokawa Corporation, Tokyo"--Colophon.

"First published in Japan in 2015 by Kadokawa Corporation, Tokyo"--Colophon.

"First published in Japan in 2017 by Kadokawa Corporation, Tokyo"--Colophon.