The main characters are Light Yagami and L. Light is the one who gets the Death Note and starts using it to kill criminals. L is the detective who tries to stop him.
The 'Death Note' full story is complex. Light Yagami, an intelligent and somewhat bored high - school student, stumbles upon the Death Note. It gives him the power of life and death over others. He decides to use this power to cleanse the world of criminals. As he does this, the world starts to notice the strange deaths of criminals. L, a world - renowned detective, steps in to solve the mystery. Their battle is not just about good and evil but also about intelligence and strategy. Light has the advantage of the Death Note, but L has his own sharp intellect and resources. Their fight spans over a long period, with many characters getting involved on both sides, and the story keeps you on the edge of your seat as you wonder who will ultimately win this epic battle of wits.
Ryuk would probably just be amused. He is a Shinigami who has seen a lot in his existence. Fanfiction is just another strange human creation to him. He might chuckle at some of the more outlandish ideas in the fanfictions, like a character having superpowers beyond the Death Note.
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.
Oh, for sure! Death Note is considered a masterpiece in the manga world. Its unique concept and the way it unfolds make it a must-read. The characters' development and the moral dilemmas presented make it stand out from the crowd.