I'm the Only One Who Knows This World Will End ~In a World Where Monsters Appeared, Death Returns and Levels Up~ by Tsubasa, Shigeru Haishima This is an 11-volume set, including volumes 1-6, 8, 9, and 11-13. *Volumes 7 and 10 are missing from the complete set of 13 volumes. Each volume is in relatively good condition. With obi (belly bands).