![](https://cdn.animecharacters.io/images/characters/large/4145-3eb06a29.jpg)
Fon Aina Sulfur ()
Fon Aina Sulfur: He is another one of Agate's classmates, also 15 years old. Like Beryl, he comes from a very rich family, in the Kingdom of Fosgen. Born and raised in a privileged environment without financial worries, he has become a target for bullies. He's a very gentle boy who cares for Agate.
Voice Actors
Daisuke Kishio
Japanese
Gyeng Su Hyeon
Korean