Daqin: The Opening Call to the Garrison

He transmigrated and became the sixth prince of the Qin Dynasty, awakening a summoning system.

At the start, summon the Imperial Guards and kill Zhao Gao and Hu Hai.

Summon Lü Bu and Li Cunxiao, kill Xiang Yu, and wipe out the remnants of the Chu state.

Summon Zhuge Liang and Li Cunxiao to defeat Chen Sheng and Wu Guang.

Summon Guan Yu to kill Liu Ji and Xiao He.

Summon Wei Wuzu, Wu Qi, and Li Guang to destroy the Xiongnu and enslave the Donghu and Yuezhi.

Summon Zheng He and Qi Jiguang to sail the Western Ocean, destroy Japan, and dominate the seas.

Summon Li Yuanba to massacre the kingdoms of the Western Regions and the Peacock Dynasty.

...

Decades later, Ying Mo discovered that he had inadvertently unified the world and transformed the Qin Dynasty into an empire on which the sun never sets.

And he,

He also became the first emperor on which the sun never sets!