Yuma has shaggy, light pink and white hair. His eyes are black. He is quite short for his age, making him look innocent.
Yuma is kind, sweet, caring and highly innocent. He would not hurt anyone or anything. He is also the polar opposite of his twin brother, Yusei. Yuma is often framed for his brother's actions, and is the only one aware of how cruel he is.
- Yusei Minato: The two have a great sibling bond and care for each other, despite Yusei framing Yuma for his michievous crimes and stunts.
- Miri Minato: Yuma often follows his younger sister secretly because he is overprotective and often worries about her.