Kira's downfall in the Death Note manga occurs when his identity is exposed and he's cornered by the forces opposing him. It's a combination of smart detective work and unforeseen circumstances. His fate is both tragic and inevitable given his actions.
The story of Death Note begins when Light Yagami stumbles upon the Death Note. He decides to use its power to rid the world of criminals, but this attracts the attention of L, a mysterious detective determined to stop him. It's a tale full of moral ambiguity and intense mind games.
Death Note is about a high school student who finds a supernatural notebook that can kill anyone whose name is written in it. This leads to a complex battle of wits between him and the authorities trying to catch him.
Misa would likely be excited. She is a big fan of Light and the whole 'Kira' concept. In fanfiction, if there are scenarios where she has more power or a closer relationship with Light, she would be all for it. However, she might also get jealous if there are other female characters getting too close to Light in the fanfictions.
In 'Death Note Another Note novel', a major theme is the search for truth. The characters are constantly trying to figure out who is using the Death Note and for what purposes. There is also the theme of the thin line between justice and vengeance. Some characters may think they are dispensing justice with the Death Note, but in reality, it might be more about personal vendettas. This blurry line is explored throughout the novel.
It focuses on the story of L's early days and how he solves cases. In this novel, we see L's unique detective methods and his battle of wits against various criminals.
If Naruto got the Death Note, it would be a complete chaos. Naruto has a strong sense of justice, but his understanding of it is very different from Light's in Death Note. He might initially be horrified by the power of the Death Note and try to destroy it. However, if he decided to use it, he could potentially target powerful enemies like Orochimaru or Pain without having to engage in direct combat. But this would also corrupt his ninja way as killing without a fair fight goes against his beliefs. He would likely struggle with the moral implications throughout the story.