Yandere Simulator is a stealth action video game developed by YandereDev. In the game, players take on the role of a schoolgirl named Ayano Aishi, who is infatuated with her senpai (crush) and is willing to do anything to eliminate obstacles in her way. The objective is to eliminate rivals who also have romantic interests in the senpai, all while maintaining a facade of normalcy and avoiding detection by other characters and authorities.