Quinn
Manga and anime are popular within the young people in most countries that has access to them. Among fans of such, I'm sure it is popular, but I would not say that Kimetsu no Yaiba is well known outside of the manga and anime fans.
Anonymous
never heard of it
donnie
Once, I saw someone receive a second hand shredder for their birthday... with paper still in it... from their parents. Are your problems worse than that?