Roanna Fontaine

The young lady of the Fontaine ducal family. A classmate of Rio at the Royal Academy.

She tends to be haughty and overbearing towards those of lower status, but this is due to a sense of duty she feels towards those of higher status, and she means no harm.

She serves as the caretaker for the hero Hiromi, working hard to keep him in good spirits. Following Hiromi, she leaves her parents in the Bertram Kingdom and moves to join the Restoration. Later, she becomes engaged to Hiromi as his second wife. Although Christina proposed a marriage connection with Haruto, she decided to continue supporting Hiromi and refused.