The following examples can be used as reference for two-dimensional harem novels: 'Descending from the Sky' was a manga work created by Japanese manga artist Naoki Odo. It was also adapted into an animation and a novel. The story was about a young girl, Ikaruna, who for some reason gained the ability to transform and had intimate relationships with many different men. These men were all strange creatures that she met in her daily life, and they established deep friendships and feelings for each other.