The youngest member of the Saja Boys, known for his mischievous charm and deceptively innocent persona.
Despite his name and playful exterior, Baby conceals a darker nature shaped by his pact with Gwi-Ma, binding him to the demon world alongside his bandmates.
As the “little brother” of the group, Baby often serves as a counterbalance to the older members, his youthful energy masking the tragedy of his lost humanity.
Baby's rapping voice is provided by Danny Chung.
The character’s design emphasizes a boyish look with sharp contrasts — blending childlike features with subtle demonic undertones to highlight the duality of his role.