After Evolution, There Was Reproductive Isolation from the Harem.

Reproductive isolation from the harem? The strongest brave man in the world became the emperor and the demon king. He ushered in the super evolution and became a "new human being", but he found that he was tragically separated from his harem. "My happy life full of children and grandchildren!" Having too many wives also brings troubles. You have to coax your wife in various ways every day... The dream is to become the best harem writer in the world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.