Rain is Capricorn's grandmother and primary caregiver, who raises him on Garland Farm with the ideals and values from her own departure from mainstream society.

A social worker who has a connection to Garland Farm from her childhood and takes Capricorn into her home when his grandmother is injured.

A popular student and prototypical bully at Claverage Middle School who feels entitled to his perceived social status.

A highly intelligent student who has also been a target of school bullying and initially becomes an ally to Capricorn.

Initially follows the lead of the school's popular clique, including bullying efforts, but she gradually becomes more self-aware through her interactions with Capricorn.

Flora Donnelly's daughter, who is initially hostile toward Capricorn but begins to see his qualities over time.

One of the students who follows Zach's lead in tormenting Capricorn but eventually grows to respect him.

The assistant principal at Claverage Middle School, more focused on his career than on intervening in the school's bullying culture.

A popular student at the school with a strong personality who influences those around her, including her friend and rival, Naomi.

Sophie’s father, who is known for breaking promises and is generally regarded as charming yet unreliable.