• Sabine Brighton is Tess’s sister
  • She is a "Cult Deprogramming Therapist" – Alice is a patient of hers
  • Works in the same facility where Kumiko stays
  • Very concerned about Tess’ mental health, and her obsession with having a child
  • Attempting to help Taka
  • Is also exploring a romantic relationship with Taka
  • Sabine and Taka are continuing to explore a romantic relationship, but her concern over Tess and the discovery of an abundance of His Name Is fliers is beginning to interfere with their progress.