Jouka no Monshou

The few people who were lucky enough to survive the apocalyptic aftermath. After the Third World War, they finally realized that violence leads nowhere.
Having learned this terrible lesson, the remnants of humanity finally managed to free themselves once and for all from the burden they inherited from their wild ancestors.
Suppression of emotions with the help of a drug. An absolutely orderly society, governed by mind control.
The city, which grew out of the ruins of a devastated world, was a new future for humanity, a stronghold of genuine Intelligent People.
Exiled from the Garden of Eden, the repentant humanity has finally received its promised land - the city-state of Libria...