Declan and Riley's mother and chairwoman of the Leo Corporation. She bears strong grudge against her husband, Leo Akaba, for abandoning her and the company. Her obsession for revenge resulting her to adopted Riley and conduct experiment on the girl to make her an ideal Duel soldier to fight against Duel Academy. After the dimensional war ended, she came to regret for what she had done and takes care of Riley who was reverted into infant to atone for what she had done.