Give Me Some Insights into the Behind-The-Scenes, Harem, and Preferably Semi-Invincible.

In these two books, the characters are basically invincible and not poisonous. They should be picked up when necessary, especially the concubinage. So cool. Either taking a concubine or on the way to take a concubine. This is the real opening of a harem. Lend me your body to bear me ten daughters. Character characteristics: It's cool, not mentally retarded Star rating: 4.5 Out of 5 stars