"Yandere Simulator" is a stealth action video game developed by YandereDev. Players control Ayano Aishi, a high school girl who is infatuated with her classmate, Senpai. The objective is to eliminate any rivals who threaten her relationship with him while avoiding detection. The game features an open-world environment set in a Japanese school, where players can interact with various characters and utilize different strategies to achieve their goals. It incorporates elements of stealth, puzzle-solving, and social manipulation, allowing players to explore the consequences of Ayano's obsessive behavior.