Instead, nezuko had fully. Webwhen nezuko sleeps and tanjiro trains near the end of season 1, two years pass. This means that tanjiro ages two years and nezuko ages two years. Webhow old is nezuko in demon slayer? Canonically, nezuko is 14 years old in demon slayer. However, since she doesn’t age after being turned into a demon, she’s. Webalthough she takes a lot of responsibility for her younger siblings, nezuko is only 12 years old (just a year younger than tanjiro) at the start of demon slayer ‘s first. Webat the start of demon slayer, nezuko kamado is 14 years old. She plays a crucial role in the story as the younger sister of tanjiro kamado, the main protagonist. Webso biologically nezuko is still 12, but chronologically she is 14 years old! Her human aging stopped when she became a demon. So in summary, nezuko was 12.
