I suppose this depends on your definition of "often". It also heavily depends on the kind of show you're watching.
If you're watching a slice-of-life anime which has its characters closely rooted in the modern reality as opposed to anything supernatural, then older women are typically drawn closer to what our expectations would be.
If you're watching an ...
Can you name some titles that features "true" incest between biological siblings?
Incest is definitely a taboo at least in modern Japan. There are only a few love stories about incest between biological siblings, and most Japanese otaku do not like them.
However, a sibling-in-law is a notable exception. The Japanese law allows the marriage of two siblings-...
Here's what I think:
I believe that would depend on the extent of eroticism being shown, although I think the word you're looking for is simply 'censored'. If they are
Anime that contain a lot of sexual humor but no outright pornography
then they can be classified as an Ecchi anime that is censored. No Game, No Life is one of them.
This might be ...
At least in the examples you've given, the letter helps differentiate a sequel show, or later season, from the original.
For example, the original Dragon Ball was followed by Dragon Ball Z, then Dragon Ball GT, then it gets complicated but they remade Z in a condensed form as Dragon Ball Z Kai and now there's Dragon Ball Super.
For Sailor Moon, the seasons ...