Her third and final deck was a dragonmaid/dracotail deck that was given to her by one of the maids who helped raise her from a young age. The ace monster being House Dragonmaid
Father with the evidence of abuse she endured while at academia and her father realized what he did was wrong and apologized profusely for everything. Regretting how he let corporate success and greed cloud his judgment and treat his precious daughter like a object.
After answering their questions they were appalled by her situation and allowed rei to join their team when she asked so she could get back at her fiancé and prove to her father she was strong and capable by herself.
After the zarc incident and the war ended. Rei went to her+