末日时在做什么？有没有空？可以来拯救吗？4：修订间差异

{{Light_Novel_Infobox|title = WorldEnd: What Do You Do at the End of the World? Are You Busy? Will You Save Us?<br>- Volume 4 -|image = [[File:-Suka Suka Volume 4 Cover.jpg|300px]]|kanji = 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? #04|romaji = Shūmatsu Nani Shitemasu ka? Isogashii Desu ka? Sukutte Moratte Ii Desu ka? #04|aka = Suka Suka Light Novel Volume 4|Author = Akira Kareno|Illustrator = Ue|Book Series = Suka Suka|Volume No. = 4|No. of Chapters = 5|No. of Pages = 292 pages|Japanese Publisher = Kadokawa Shoten Sneaker Bunko|English Publisher = Yen Press|Japanese Release Date = December 26, 2015|Previous Novel = [[WorldEnd (Suka Suka) Light Novel Volume 3]]|Next Novel = [[WorldEnd (Suka Suka) Light Novel Volume 5]]|English Release Date = July 23, 2019}}''末日时在做什么？有没有空？可以来拯救吗？4 '''(WorldEnd''''', or '''''What Do You Do at the End of the World? Are You Busy? Will You Save Us?''''' '''#04  '''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? #04, ''Shūmatsu Nani Shitemasu ka? Isogashii Desu ka? Sukutte Moratte Ii Desu ka? #04)'', is the fourth novel of the '''<nowiki/>'WorldEnd (Suka Suka)'<nowiki/>''' 是‘末日时’系列的第四卷，由枯野瑛撰写，UE负责插画。