Zhou Tai An wrote: > The general opinion of souls is, as I understand it: > > Unit 01 - Yui > Unit 02 - Kyoko > Unit 00 - Rei (one of them) > Unit 03 - Unknown or Touji's sis. Unit-00 - most likely Rei I since Rei II is the character through most of the series. I don't think there were any others besides Rei III but she dosen't come in until way later. Captain Jack