Nightmare 3 is the third nightmare in Yandere School.
In Nightmare 3, the player will play as Makio Sono, and will have the ability to kiss any girls in the school. But if the player chooses not to kiss Akari Furutaka, then Makio would being stabbed to death by her. In order to pass Nightmare 3, the player must choose to kiss Akari. After passing the nightmare, Akari will wake up.