The Sound of Magic — Characters & Cast

Driven to protect childlike wonder and share joy, evolving to help Ah-yi and Il-deung break free from their mental constraints.

Transitions from an eccentric, isolated figure living in an abandoned theme park to confronting his past trauma as Ryu Min-hyuk, ultimately completing a final vanishing act on his own terms enabled by Ah-yi's faith.

Initially focused on basic survival and protecting her sister, evolving toward living an authentic life of self-determination.

Begins as an impoverished, cynical teenager desperate for adulthood; gradually embraces magic, overcomes despair, and matures into an autonomous young adult who shares wonder with others.

Driven by the desire to meet his parents' high expectations and win Ah-yi's respect, evolving into a quest for personal freedom and genuine identity.

Starts as an arrogant, hyper-competitive student adhering strictly to his parents' blueprint; undergoes an existential awakening and ultimately rejects parental expectations to pursue his own path.