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Madoka's older cousin, a marine archaeologist, initially opposed Madoka's piloting of the robot. However, she allows Madoka to pilot it on the condition that she maintains her previous lifestyle. She was once a member of the Jersey club and helped Madoka recover from stress disorder following the death of her mother. She always observes Madoka and encourages her in critical situations. Despite her rough treatment of Madoka, she deeply loves her.