Well, it could be about Ib getting lost in a strange and dangerous world, and the Angel of Death is either her guide or her pursuer. Maybe they form an unexpected bond as Ib tries to find her way out of the nightmare - like place.
In this fan fiction, perhaps the Angel of Death has some sort of hidden agenda. He might be using Ib for a purpose that she is not aware of at first. As the story unfolds, Ib discovers the truth about the Angel of Death's motives, and she has to decide whether to fight against him or cooperate with him in order to survive and return to her normal life. This could involve a lot of psychological struggle for Ib as she grapples with the nature of the Angel of Death and the world she is trapped in.
Well, apart from Ib and the Angel of Death, there could be other characters. Maybe there are some other lost souls in the world that Ib and the Angel of Death encounter. These could be minor characters who either help or hinder Ib's progress. But the central focus would still be on the relationship and interactions between Ib and the Angel of Death.
The main plot could be the conflict between the angel of death's duty and its love. It has a job to do which is to take souls, but it falls in love with a human or another being. This creates a struggle as it tries to balance these two opposing forces.
Well, one possibility is that Naruto, as the Angel of Death, is sent to the ninja world to end the cycle of violence. He might start by targeting those who have caused great harm, like powerful villains. But he could also face moral dilemmas when it comes to people he once knew and cared about. For example, he might have to decide whether to spare a former friend who has turned to the dark side but still has some good in them.
Maybe it could involve Naruto sacrificing himself to save the village from an ultimate evil. For example, a new and extremely powerful enemy emerges that is immune to all known jutsus except for a forbidden one that Naruto has to use, but it costs him his life.
Well, 'the angel of death's must not be born fan fiction' might be a very niche and dark - themed fanfic. It could be that in this fanfic, the 'angel of death' has some sort of mission or role that is connected to stopping a birth from happening. Maybe it's set in a fantasy or horror - inspired universe where the very idea of a new life is something that the angel of death is determined to prevent for some complex reasons, like it might be part of a prophecy or a curse in the fictional world.
Another plot could be that the Death Eaters' child is sent on a mission by their parents, but during the mission, they witness the true cruelty of the Death Eaters. This makes them defect. They then have to flee from their family and the other Death Eaters. While on the run, they learn about the power of love and friendship from the people they meet, which gives them the strength to fight back against their former allies and try to make amends for the wrongs their family has done.
One possible plot could be the child of a Death Eater trying to redeem the family name. Maybe they discover secrets about their parent's past actions during the wizarding war and strive to make amends in the wizarding community. They could face opposition from both those who still hold grudges against Death Eaters and those who want to keep the dark past buried.
People who are into dark and macabre themes might be interested. Fans of horror - related fan fiction could also be drawn to it.
In the 'naruto is an angel fanfiction', it could be that Naruto's angel form is a result of some ancient curse or blessing. His friends might be initially shocked but then come to rely on his newfound angelic abilities. He could use his powers to purify the darkness that lurks in the hearts of some of the villains in the Naruto universe, like Orochimaru. He might also be able to create shields of light to protect his village from attacks.
One aspect could be his amazing magic tricks. Fan fiction could explore the backstory of how he developed a particular trick or what inspired him. For example, a story could be about how he came up with the idea for his levitation trick.