Jinrui wa Suitai Shimashita

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Jinrui wa Suitai Shimashita (人類は衰退しました, Humanity Has Declined), or "Jintai" for short, is a light novel series written by Romeo Tanaka and published by Shogakukan under their imprint, Gagaga Bunko. The first six volumes were illustrated by Touru Yamasaki and the latter three were illustrated by Sunaho Tobe. The series is complete at 10 volumes.

The series has spun off three manga adaptations and an anime television series which aired in summer of 2012.

Story Synopsis

For years, declining birth rates have forced what's left of the human race to cede more and more territory to other beings who have appeared to take advantage of the emptying ecological niche. Now, only a handful of humans remain among the remnants of civilization and Earth is dominated by faeries —tiny, ten-inch tall creatures of surprising intelligence. But humanity's importance isn't over quite yet, as young Watashi learns as she makes the decision to return to her hometown and assume her grandfather's position as an arbitrator between the races. Unfortunately, the job isn't going to be anywhere near as simple as she expected, and it's going to take a wisdom far beyond her years to achieve her most important mission.

(Source: Sentai Filmworks via MyAnimeList)

Translation

Format Standards

Every Chapter (after editing) must conform to the general format guidelines.

• General Format/Style Guideline

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Updates

• 9 December 2014 - Project page created
• 2 August 2020 - Heijou Unten Chapter 1 added

Older updates can be found on the Jinrui wa Suitai Shimashita Updates page.

Jinrui wa Suitai Shimashita by Romeo Tanaka

Volume 1

Novel Illustrations The Planet of the Fairies (incomplete) The Dawn of the Fairies April Monthly Report Afterword

Volume 2

Novel Illustrations Humanity's Law of the Jungle The Fairies' Time Management May Monthly Report Afterword

Volume 3

Novel Illustrations The Fairies' Homecoming The City of Imperial Tea and Bonsai June Monthly Report Afterword

Volume 4

Novel Illustrations The Fairies' Secret Factory The Fairies' Life as Castaways July Monthly Report Afterword

Volume 5

Novel Illustrations The Fairies' Secret Tea Party The Fairies' One Hour A Day August Monthly Report Afterword

Volume 6

Novel Illustrations The Fairies Fly Very High The Fairies' Subculture Winter Service Report Afterword

Volume 7

Novel Illustrations The Fairies' Small School How Humans' Clean Things Up Spring Service Report Afterword

Volume 8

Novel Illustrations When We Met in the Fairies' Dream Afterword

Volume 9

Novel Illustrations The Fairies' Earth´ Afterword

Note: Chapters' titles may be subject to change.

Side Story

Heijou Unten

Novel Illustrations The Working Fairies' Business Venture The Working Fairies' Toy Food A Message From the Past The Fairies' Secret Tool “Forklore” The Service Record From the Two of You The Fairies' Secret Tool 1 The Fairies' Secret Tool 2 The Fairies' Secret Tool 3 The Demand, Supply and a Something Else from the Three Villages The Unpleasant Truth Coming Along with the Rediscovery of Citizens The Not So Surprising Truth Behind the Development of this Village Fruits, No, Sure? The Role of Candies Under the Monarchy The Most Appropriate Thing As a Travel's Souvenir Afterword

Project Staff

• Supervisor:
• Project Manager:

Translators

ACTIVE

 変幻出没: Japanese to English (slow translator). (talk)
 Lcat4ever: Japanese to English  (talk)

INACTIVE

Volume List

• 人類は衰退しました 1 - May 24, 2007 ISBN 978-4-09-451001-0
• 人類は衰退しました 2 - December 18, 2007 ISBN 978-4-09-451044-7
• 人類は衰退しました 3 - April 18, 2008 ISBN 978-4-09-451061-4
• 人類は衰退しました 4 - December 18, 2009 ISBN 978-4-09-451104-8
• 人類は衰退しました 5 - January 19, 2010 ISBN 978-4-09-451183-3
• 人類は衰退しました 6 - February 18, 2011 ISBN 978-4-09-451255-7
• 人類は衰退しました 1 - November 18, 2011 ISBN 978-4-09-451308-0 (*)
• 人類は衰退しました 2 - November 18, 2011 ISBN 978-4-09-451309-7 (*)
• 人類は衰退しました 3 - January 18, 2012 ISBN 978-4-09-451320-2 (*)
• 人類は衰退しました 4 - January 18, 2012 ISBN 978-4-09-451321-9 (*)
• 人類は衰退しました 5 - March 16, 2012 ISBN 978-4-09-451329-5 (*)
• 人類は衰退しました 6 - March 16, 2012 ISBN 978-4-09-451330-1 (*)
• 人類は衰退しました 7 - July 18, 2012 ISBN 978-4-09-451353-0
• 人類は衰退しました 8 - February 19, 2013 ISBN 978-4-09-451393-6
• 人類は衰退しました 9 - June 18, 2014 ISBN 978-4-09-451494-0
• 人類は衰退しました 平常運転 - December 18, 2014 ISBN 978-4-09-451525-1
• 人類は衰退しました 未確認生物スペシャル - September 21, 2016 ISBN 978-4-09-451632-6

(*) Re-released with art from Sunaho Tobe