Shido Ryusei

Ryusei is a tall, tanned young man with spiky blond hair, with two strands of it falling down on either side of his face. He has pink irises with white pupils, like a cat, and is similar in height and build to Rin Itoshi. He is very expressive, and is often seen with a grin that resembles a snarl.

has a strong tendency towards violence, more specifically, physical fights. At the core of Shido's personality is the desire to play soccer, not because he enjoys the sport, but because it is a biological phenomenon that makes him feel complete. realizes the toxicity of his behavior and experiences mild remorse only after he is electrocuted and jailed for being overly aggressive and threatening to cause serious bodily harm to other players. Shido can be outright friendly and even affectionate towards others, such as Sae Itoshi, who gave him the opportunity to play with him and developed his level of play in the process by showing him a type of soccer he had never experienced before.