A headstrong and independent member of an affluent family, Blythe takes on an investigative role in the story while battling perceptions of weakness due to her illness.

The human embodiment of destiny, Fate uses his powers to manipulate human lives, while posing as Prince Aris to achieve his goals within the narrative.

A supernatural being who represents mortality, Death forms a deep connection with Signa and experiences emotions and conflicts typical of human relationships.