Saki Tsuzura

Saki Tsuzura is Heart's childhood friend from Britain, who joins Heart in investigating the Drexler Institute. She has painful memories of getting sucked into the Elemental World with her friend, Fiona. While Fiona was unable to return, Saki was saved by her Arcana, Bhanri (Thunder), who resembles a woman trapped in a giant crystal and was once a queen revered as the Goddess of War. Saki is voiced by Yumi Shimura.

Story
She is the daughter of a successful businessman and has been best friends with Heart since childhood. Two years ago, Saki’s father had to relocate to Great Britain for work, and she attended school there. One day, Saki and her friend Fiona visited a mysterious mountainside and were sucked into the Elemental world. Saki was rescued by the Arcana Bhanri, but Fiona was trapped in the other dimension.