Volume 21

Ancient Memories (の) is the twenty-first volume of Kimetsu no Yaiba.

Chapters

 * 179. Feelings for Elder Brother, Feelings for Younger Brother
 * 180. Recovery
 * 181. Disaster
 * 182. Rage
 * 183. A Clash of Wills
 * 184. Leaving the Warfront
 * 185. A World Without Smell
 * 186. Ancient Memories
 * 187. Innocent Person

Trivia

 * First edition copies of the volume included a box containing 32 full-color character stickers. The stickers featured an illustration of each character against a backdrop of a colored manga panel.