How Old Is Zenitsu Agatsuma in Yu Yu Hakusho

It’s a common mix-up in the vast world of anime, but let's clear the air right away: Zenitsu Agatsuma, the perpetually anxious yet surprisingly powerful Demon Slayer, is not a character from Yu Yu Hakusho. While both series feature incredible battles against supernatural threats and resonate with passionate shonen fans, Zenitsu belongs exclusively to the universe of Demon Slayer: Kimetsu no Yaiba. So, if he’s not a spirit detective, just how old is Zenitsu, and what role does his age play in his own world?...