Why are some anime manga rated R?

It's usually because they contain mature themes like violence, gore, or sexual content.

There's also 'Elfen Lied'. It combines elements of horror and drama. The graphic nature and emotional depth draw in readers who are looking for something more intense and thought-provoking.

There are a few like 'Heavy Metal' which got an R-rating for its mature themes and graphic violence.

It could be due to mature themes, violence, or intense content that's not suitable for younger audiences.

The reason some kids cartoons are rated R is that they might feature elements like graphic violence, adult language, or themes that are beyond the comprehension or appropriate for a child's mental and emotional development.

Well, one example could be 'South Park'. It's R-rated due to its mature themes, crude humor, and sometimes controversial content.

'Rick and Morty' is also considered R-rated. This is because of its complex and sometimes disturbing storylines, along with the use of adult language and themes that might not be suitable for younger viewers.

Some examples include 'Family Guy'. It gets the R-rating because of its satirical and often explicit nature, with lots of adult-oriented jokes and storylines.

Well, one such example could be 'The Nightmare Before Christmas' which has some darker themes and imagery that might earn it an R-rating. Maybe it's the creepy characters or the slightly macabre storylines.

One popular R-rated manga is 'Blade of the Immortal.' It's known for its intense action and mature themes. The complex characters and gritty storylines attract many readers.