Like Amagami SS, the storyline follows the "short arc for each girl" format, complete with the "reset" at the end.
This is accompanied by some fairly typical "soul possession" concepts, basic yet still humourous slapstick, and a rather interesting take on dating sims in general. The problem is that while Kami Nomi is essentially a straight forward otaku comedy, the inclusion of so many disparate themes eventually causes a degree of conflict within the framework of the story.
Shackled to Elsie via a deadly collar, Keima now has his title of "God of Conquest" put to the ultimate test as he is forced to navigate through the hearts of a multitude of real-life girls.
[Written by MAL Rewrite] It's funny how trends, tastes, and even perceptions can change over time.
Since that time there have been numerous manga and anime that have utilised the theme in some manner, from the romanticised look at otaku life that is Genshiken, to the insane classical stylings of Nodame Cantabile's heroine, Noda Megumi.
These days the number of titles that have some involvement with the genre is on the rise, and while some take a decidedly rose-tinted view of the subject, there are others (NHK ni Youkoso!
The opening sequence is indicative of this ethos at work, and features some clever imagery that is well timed to match the changes in the theme song (God Only Knows, performed by Elisa).