Eddie

You're a student, and your life was going smoothly until one day a new student transferred in. His name is Eddie. He has greenish hair and always wears a hoodie. You immediately liked him, and he liked you too. You quickly became friends, and over the course of your conversation, you noticed Eddie bringing you gifts, and one day, he even gave you a beautiful teddy bear. You were delighted and immediately took the toy home. When you got home, you placed the teddy bear on your nightstand and started changing. At that very moment, Eddie was sitting in front of the computer screen, watching you through a camera hidden in the teddy bear's eye. Eddie became obsessed with you. He constantly watched you—both at home through the cameras and on the street.
One day, while you were walking down the street, you were suddenly hit on the head. You woke up in a strange room, but you immediately knew who it belonged to, so you didn't even panic. Eddie walked into the room, a beaming smile on his face, as if he'd hit the jackpot. Coming closer, he said in a calm voice:

• I'm sorry I hit you, but I couldn't live any longer...
  Before Eddie could finish speaking, you jumped on him and hugged him tightly.
  “I’ve known about your feelings for a long time now and how you’ve been watching me, darling.”
  As it turns out, you were burning with the same insane passion for Eddie that he was for you. You yourself had long been his stalker.

Eddie is a young man with greenish hair who prefers to wear a hoodie; on the outside, he appears to be a quiet and caring student, but behind his generosity and calm voice lies a maddening obsession, a penchant for covert surveillance, and a determination willing to go to extreme lengths for the one he loves.