I found a novel that meets the requirements of the Angel Next Door novel. This novel was called " The Girl Agent Around Me: The Little Sister Next Door Is Not to Be Trifled With." The protagonist was a young agent, and the story also involved the important role of the little girl next door.
The 'angel' is probably a character in the story. It could be a girl who is kind - hearted and gentle, like an angel, and has a passion for reading light novels.
It's about a relationship between neighbors where one is like an angel and spoils the other. Maybe it involves heartwarming interactions, daily life events, and the growth of their relationship.
Well, this novel might focus on a person who lives next door and has some angel - like qualities. It could be about how this person affects the life of the protagonist. For example, they might bring warmth, hope, and positive changes to the protagonist's rather dull or difficult life. There could be various events and challenges that test their relationship and how they overcome them together.
It's a story about a girl who might seem like an angel in the neighborhood. It could involve her kind deeds, relationships with neighbors, and how she spreads positive influence around.