"When I look at the moon, I see a familiar face, who's heart is as beautiful as the moon."
Arion is a specialist at Red Fountain, and he is also Violet's love interest.
He is quiet and sometimes doesn't socialize with other specialists, except with the few he knows. He is caring as he mostly comforts Violet from her depression. He is always calm and serene, though sometimes he can be strict. He is skillful in battle and can easily tame his dragon, Rosario.
- He is based on a character from Bleach.