성별 : 여성
생일 : 정보신청
키/몸무게 : 정보신청

Ui Twin-sister of Kyoko, who was trapped in time since birth.
 

 Actually, God of Time Chronos( Kyoko`s father) asked the King(Ui`s father) to lend Ui`s body to Kyoko and bring her up until she is 16. Then Kyoko must wake up Ui. Later, Ui falls in love with Hizuki.