What I love about Japanese Dramas o let me count the ways : )
1. Short seasons thus usually a more tight story line and less time for filler episodes.
2. Even their Fantasy/Sci fi has one foot on the ground most of the time, how would a normal person react in this situation, what is the logical outcome? (I said most, not all)
3. They live by the saying "Those who forget their past are doomed to repeat it" While it seems they are romanticizing Samurai culture, They usually depict the downsides of fuedal era Japan as well. Same goes for what I have seen of their depictions of WWII
4. Physical forms of Romance is minimalized, but sex is not taboo..this is hard to explain if you havent watched alot... public show affection is frowned upon, but having sex with your Significant Other is just natural progression.
There are more but I cant make them into a coherant sentence right now