Mariko Kurama (AKA Number 35) is a "third generation" Diclonius, a Silpelit born from an infected carrier who inherited the vector virus from a Silpelit who was born from parents infected by a First Generation Diclonius. Mariko was the most powerful of the Diclonii, with some 50 vectors (26 in the Anime) and a long range. She is the daughter of Doctor Kurama and his late wife Hiromi, who made a dying plea that he spare their daughter despite her horns. He agreed to do whatever was demanded of him by Kakuzawa without objection and agreed to be kept away from his daughter, who was kept by Saito in the Diclonius Research Institute. Despite this agreement, Kurama became close to another Silpelit girl, Number 7, or Nana, who called him Papa and believed that he really was