 If you liked
Choudouryoku Mouko Daishuurai
|
 ...then you might like
Shinsetsu★Sekaishi Taizen
|
Both of these are collections of short stories by Kago Shintaro that have a cental theme of alternative retelling of history of human society. They are very explicit - including plenty of nudity and gore. But they also feature some interesting original ideas that satirize the given focus theme well.