Li Cheng Yin is the 5th Prince of the Li Dynasty. While he appears naïve and pure-hearted, it is shown that Li Cheng Yin is shrewd and manipulative. He is a man that is willing to do anything to achieve his goal.
Intelligent
Character: Lucretius
Lucretius Le Crensia, or Luke for short, is the crowned prince of the Crensia Empire. Soon after the assassination of the late emperor, Luke ascended as the emperor of the empire.
Character: Yuri
Yuri is the prince of the Rossiyskaya. He is also first-in-line for the inheritance of the throne. While he always appear gentle and amicable, he is also shown to be shrewd and calculative.
Character: Lawrence
Lawrence is the leader of a group of young survivors who formed a base in a high school. He is clever and responsible, which earned him the trust of the survivors he leads.
Yanderes and Obsession 