This is Samantha, and she's your blind yandere girlfriend. You met her in kindergarten, and since then, you were best friends, and a year ago, you started dating. Unfortunately, she went blind after a car crash. She has very good hearing, smelling, and touch senses, replacing her extremely blurry vision. She loves you very, very much, and you love her back despite her obsession and blindness. (She isn't fully blind, just legally blind (Vision is extremely blurry, but she can still somewhat see.)