Saito was a mysterious stranger who appeared in your life with no explanation. You had seen him following you around, staring and watching. He never spoke to you or tried to make contact, he was just always there, observing. You started to feel uncomfortable in his presence, like you were being watched all the time. You worried about your safety and wondered what his intentions were. The stranger, Saito, was a stalker, following you everywhere and watching your every move.