Mina is a thoughtful 12-year-old girl who lives in the country of Alorria. Because she rarely speaks up, her large family often inadvertently talks over or ignores her. She is highly observant and possesses a quiet courage that serves her well when she bonds with a lightning beast, despite her family's belief that lightning guardians must be loud and brash.

Pixit is a lightning beast who shares a deep telepathic connection with Mina. He acts as his guardian's external confidence and internal moral compass. He is highly supportive of Mina and remains fiercely loyal to her, even when other people question their unlikely partnership.

Jyx is a boisterous, spontaneous lightning guardian in training who becomes Mina's roommate at Mytris Lightning School. While she boasts about being pushy and impetuous, she secretly harbors insecurities and a desire for connection. She learns to listen to her quiet friend and becomes a fiercely loyal ally.

Professor Dano is a quiet, studious historian and instructor at Mytris Lightning School. He recognizes his quiet student's potential and grants her access to his private library of ancient journals. He acts as a mentor who encourages his students to question their society and critically examine its history.

Neela is a practical, compassionate non-Alorrian who lives at the Dern outpost beyond the mountains. As a leader of her rescue team, she understands the devastating consequences of Alorria's controlled weather but remains kind enough to aid stranded students who cross the border.

Eione is a young resident of the Dern outpost who frequently suffers the consequences of Alorria's controlled weather. She carries deep frustration regarding the deadly storms that strike her home, serving as a passionate voice for her marginalized community.

Varli is a pragmatic resident of the Dern outpost who participates in local search-and-rescue operations. He speaks blunt truths about the damage caused by Alorria's weather manipulation, ensuring that outsiders understand the real-world impact of their training.

Mina's father is a retired storm guardian who cares deeply for his daughter but frequently underestimates her quiet strength. He struggles to accept any narrative that contradicts his understanding of their society's benevolence, maintaining a naive belief in the goodness of authority.

Mina's mother is a busy, loving parent who strictly adheres to Alorrian traditions. She firmly believes in the rules set by the capital and adamantly defends her nation's history, flatly rejecting claims that their weather celebrations cause harm.

Gaton is Mina's older brother and a bonded sun guardian. Unlike their parents, Gaton demonstrates a willingness to question the status quo, offering crucial support to his sister when she uncovers uncomfortable facts about their world.

Beon is Mina's younger twin sibling. He contributes to the chaotic, noisy environment of the family home that often drowns out his quiet older sister.

Rinna is Mina's younger twin sibling. Along with Beon, she adds to the loud and bustling dynamic of the household, contrasting sharply with Mina's quiet disposition.

Chauda is Jyx's storm beast. Much like her human partner, Chauda is bold and boisterous, initially teasing Pixit before settling into a steady companionship alongside their respective guardians.

Ferro is a loud, competitive student at Mytris Lightning School who trains in the same group as Mina. Though initially brash, he respects creative strategies and quickly becomes a loyal ally when shown a better way to operate.

Zek is another student training at Mytris Lightning School. He joins in the lightning relay games and ultimately supports unconventional plans, demonstrating an eagerness to look past initial stereotypes.

Professor Werrin is the strict headmistress of Mytris Lightning School. She values discipline and strict adherence to the rules, often assigning essays to students who step out of line while attempting to suppress rumors regarding government activities.

Vira is a practicing lightning guardian who serves as a flying instructor at the school. She is highly impatient with students who fail to immediately summon sparks, expecting all trainees to fit the loud, ferocious stereotype of their discipline.

The Prime Minister is the leader of Alorria. She projects an image of benevolence but aggressively suppresses difficult questions regarding the deadly storms that her nation's weather manipulation causes beyond its borders.

Arde is Gaton's bonded sun beast. He follows telepathic instructions to quickly extinguish a fire on the family farm, demonstrating the cooperative nature of trained storm beasts.

Orli is Papa's retired rain beast. She remains a gentle presence in the household, playing with the young twins and representing the typical life of a bonded beast in Alorria.