Genshin Impact: Life Simulator

Nathan found himself transported to the continent of Teyvat, where he inadvertently awakened a life simulator. Through simulating different lives, he could obtain corresponding rewards. [Simulate being Keqing's childhood friend, making her deeply attached to you!] [Simulate being Ningguang's benefactor during her downfall, helping her build a business empire!] [Simulate being a descendant of the Qilin clan, helping Ganyu inherit the Qilin bloodline!] [Simulate being a god wandering the mortal realm, forming a red string of fate with Shenhe!] [Simulate...] ... At first, Nathan thought the simulated lives were merely fragments created by the system. Until later, when more and more people came looking for him, he realized something was terribly wrong. Everyone still retained their memories from the simulations...