Shūmatsu Nani Shitemasu ka? Isogashii Desu ka? Sukutte Moratte Ii Desu ka?

Shūmatsu Nani Shitemasu ka? Isogashii Desu ka? Sukutte Moratte Ii Desu ka? (終末なにしてますか? 忙しいですか 救ってもらっていいですか?), also known as Sukasuka, and its English title World End, is a Japanese light novel series written by Akira Kareno and illustrated by Ue. The series' first volume was published by Kadokawa Shoten under their Sneaker Bunko imprint in November 2014, with the series ending with the release of the fifth volume in April 2016. A sequel series titled Shuumatsu Nani Shitemasu ka? Mou Ichido dake, Aemasu ka? (終末なにしてますか？　もう一度だけ、会えますか？), also known as Sukamoka, began publication with the release of the first volume in April 2016; the second volume was released on July 1, 2016.

Plot
It's been over 500 years since the human population went extinct at the hands of the fearsome and mysterious "Beasts". The surviving races now make their homes, towns, and cities up on floating islands in the sky, to keep out of reach of all but the most mobile of Beasts. Only a large group of youngsters, dubbed the Leprechauns, can wield the ancient weapons needed to fend off invasions from those dangerous creatures. Into the peoples' unstable and fleeting lives, where a simple call to certain death could come at any moment, enters an unlikely character: a mysterious man who lost everything in his final battle five hundred years ago, and had awakened from a long, icy slumber. Unable to fight any longer, Willem becomes the father that those kids never had, caring for and nurturing them even as he struggles to come to terms with his new life, in which he feels the pain of helplessly waiting for his loved ones to return home from battle that his 'Daughter' once felt for him so long ago. Together, Willem and the citizens gradually come to understand what family means and what is truly worth protecting in their lives.

Characters

Willem Kmetsch (ヴィレム・クメシュ Vuiremu Kumeshu)
Voiced by: Ryohei Arai (Japanese); Micah Solusod (English)
Willem is the main protagonist and only alive human being in a world where humans have been driven to extinction by "Beasts". He wakes up after several hundred years, and continues his fight against the Beasts, now as the Fairies' advisor. As his body is too damaged to wear a Weapon. And he used 2 Weapons during his life, Seniorus and Insania.

Chtholly Nota Seniorious (クトリ・ノタ・セニオリス Kutori Nota Seniorisu)
Voiced by: Azusa Tadokoro (Japanese); Amber Lee Connors (English)
Chtholly is one of the Leprechauns, Fairies who can use Weapons. Inherited the Weapon Seniorus, which also belonged to Lillia, A brave from Willem's past.

Ithea Myse Valgulious (アイセア・マイゼ・ヴァルガリス Aisea Maize Varugarisu)
Voiced by: Machico (Japanese); Brittney Karbowski (English)
Ithea is a Leprechaun that has her hair styled like cat ears. She has a happy-go-lucky personalty, and often jokes that Willem only likes girls of her age.

Nephren Ruq Insania (ネフレン・ルク・インサニア Nefuren Ruku Insania)
Voiced by: Akari Uehara (Japanese); Alexis Tipton (English)
Nephren is a Leprechaun rarely seeing emotions. She cared about Willem and help him a lot but often sticks to him for some unknown reason. She loves flowers.

Rhantolk Ytri Historia (ラーントルク・イツリ・ヒストリア Rāntoruku Itsuri Hisutoria)
Voiced by: Kazusa Aranami

Nopht Keh Desperatio (ノフト・ケー・デスペラティオ Nofuto Kē Desuperatio)
Voiced by: Inori Minase

Tiat (ティアット Tiatto)
Voiced by: Tomomi Mizuma (Japanese); Lara Woodhull (English)
Pannibal (パニバル Panibaru)
Voiced by: Yurika Kubo (Japanese); Sarah Wiedenheft (English)
A Leprechaun, always ready for a fight.

Lakhesh (ラキシュ Rakishu)
Voiced by: Manaka Ishimi (Japanese); Jill Harris (English)
A Leprechaun, clumsy kid.

Collon (コロン Koron)
Voiced by: Hina Kino (Japanese); Kristi Rothrock (English)
A Leprechaun, an energetic and always speaks with exclamations.
Almita (アルミタ Arumita)
Voiced by: Akane Kohinata (Japanese); Jad Saxton (English)
A Leprechaun, fell in a ravine, but indifferent to her injuries, made Willem question his true mission on the Warehouse and Facility.

Nygglatho (ナイグラート Naigurāto)
Voiced by: Kikuko Inoue (Japanese); Jamie Marchi (English)
A Troll, she lusts after Willem's flesh, but repressed it. She represented the Guild in securing the Facility.

Grick Graycrack (グリック・グレイクラック Gurikku Gureikurakku)
Voiced by: Shigeru Chiba (Japanese); Bryan Massey (English)
A Goblin who want Willem to join the Army.

Limeskin (ライムスキン Raimusukin)
Voiced by: Jūrōta Kosugi (Japanese); Christopher R. Sabat (English)
A Humanoid officer.

Almaria Duffner (アルマリア・デュフナー Arumaria Dyufunā)
Voiced by: Satomi Satō (Japanese); Bryn Apprill (English)
Willem's last mention before he petrified, probably one of the children he cared for.

Phyracorlybia Dorio (フィラコルリビア・ドリオ Firakoruribia Dorio)
Voiced by: Honoka Inoue

Lillia Asplay (リーリァ・アスプレイ Rīria Asupurei)
Voiced by: Rina Satō (Japanese); Giovannie Cruz (English)
A high ranking brave from Willem's past whom weilded Seniorus.

Souwong Kandel (スウォン・カンデル Suwon Kanderu)
Voiced by: Mugihito
Willem's former partner 500 years ago. Died after a suicide attack, enabling Willem to disable a Beast.