That's the main question in this anime and I think that's what make it most interesting because whe have 2 protagonists Kira and L both of them do what they think is justice and what should be done. As you watch the anime you try to find an anwaser to this question, every one have different opinion and there is atleast 3 topics about it on most of anime forums.
DN is first no shonen type anime that I watched and it make me love it. Since I though what anime was the best ever, DN always was on top no matter what.
After I watched for the first time, I went outside for a walk though about the question asked before and when I went back I watched DN again, and after that once more, and after that once more 25 first episodes. In the end I watch it atleast once a year :).
In the story we have a fight of minds between, Best detective in the world and young genius who found note of death god. Thanks to that he was able to eliminate every person in the world as long as he knew thier name and how thier face looks like.
Yagami Raito who found Death note decided to eliminate all criminals which commited crime which was too extrime. Does he have right to kill them? All nations in thier belief decided that should be stoped and it's wrong doing, some of them belived it's how it should be and some did it because they couldn't just say it's a good thing that criminals die. That how society work, although first codex of laws in history was simpler An Eye for an Eye, that was something like codex of Hammurabi, That how it has been. Why does it changed, because someone though that killing someone was a wrong thing to doeven if he did kill 3 small childrens in a bunny siut with fork. That was extreme example but whatever. If you knew that a criminal killed someone close to you and then was released because there was no proof how would you fell, or he got small panalty, wouldn't you prefer that Hammurabi was still alive. On the other hand however can you let some unknow person do judgment on all people, What if he is wrong, what if he is someone who kills because he fell like it and suddenly decide that he kill every leader of country noone will know what to do and some retard will start another world war. It's isn't that simple.
Anyway this anime has it serious tone in it, for me it's best anime ever.
It has 2 great protagonist, Interesting plot, graphic is great and fit the story, and music great as well.
Although I think that not everyone have to like this anime, the things that I love in this anime others may not, or there are so many other types of anime which have thier good points and are completly different, yet for me DN will always remain nr1 and it was catalyst that made me fan of anime, although I would want to find anime that will be better than this one,
I hope that one day DN will be removed from number one because the anime that will beat it will be so great that I have no idea what should be there
