Zongwu: Summoning in the snow, my harem is too dangerous

Xia Ji traveled to the Kyushu Continent and became the Great Xia Emperor.
I thought that I would have no worries about food and clothing, and I could enjoy myself with peace of mind.
But he never thought that he might be the last emperor.
The seven kings of the court rebelled: Yingzheng, King of Qin, Li Yuan, King of Tang, Zhu Di, King of Ming, Genghis Khan, King of Yuan, Liu Che, King of Han, Zhao Ji, King of Song, and Kangxi, King of Qing.
The harem is full of ruthless characters: Concubine Jiang Yuyan, Concubine Dongjun Yan, Concubine Xuan, Concubine Yuan, Concubine Zhao Min, Empress Wu Zhao.
Does this kind of hell start to become the last emperor of Great Xia?
But luckily.
At the beginning of the game, Xia Ji awakened the National Games summoning system.
Spring and Autumn Sword Armor!Great Chu Confucian Saint!Soldier in white!
Ping the harem, suppress the world, and suppress the seven kings.
Since then, an immortal Great Xia has been created! ...