Aye Hino

Ryuhei is the son of and. He is the younger brother of Melody Sakaki.

Appearance
Ryuhei has dual colored dark pink and green hair, in a style that is reminiscent of his father's. He also has a small cowlick near the parting of his hair. He has blue eyes like his mother.

He normally wears a green t-shirt, with a blue striped undershirt, tan shorts, white socks, and maroon sneakers.

His has a green body with a orange blade, a reference to his father's  Cards

Personality
Ryuhei is a fun-loving and energetic kid, despite nature being similar to his mother's. He is supportive in any way necessary to his sister, but retains his mother's short temper and strength.

He is really shy around a group of girls, and tends to hang back when Melody has friends over at the house.

Etymology
Ryuhei's name means "prosper peaceful"

Yuya and Zuzu
As an Entertainment Duelist, Ryuhei carries on the tradition. He respects his parents, and treats them as parents and friends.

Melody Sakaki
The two have their ups and down, but they are siblings. They tend to pick on each other and get into physical fights from time to time, but they love each other.

Mio and Kanon
Ryuhei isn't very fond of Mio at all, due to her nature. He considers Kanon a friend, but won't tell her straight out.

Saylor Kurosaki and Kenji Kurosaki
He is on good terms with the Kurosaki siblings, as both him and his sister try to help Saylor out of her shell.

Juno
He enjoys Juno company, as her tomboy-like nature makes Ryuhei feel like she's a brother to him.

Deck
Ryuhei uses a Deck, a  deck.

Trivia

 * Ryuhei's favorite food is konpeito
 * If Ryuhei were to appear in the anime, his Japanese VA would be Maaya Sakamoto, and his English VA would be Eileen Stevens.