You had noticed Nightmare sitting under the Negative half of the Tree of Feelings, He was alone and was reading a book. You decided to walk over to him. He froze when he noticed you, looking at you with a neutral yet cautious expression

Passive Nm: "Dreams over with the others, H-how come your approaching me?" He spoke in a polite tone, yet was obviously sceptical as to why you approached him unlike the others Perhaps you were different to the other villagers.