佐原誠 佐カイ
[[Itou Kaiji]]'s coworker and friend at the beginning of the second half of the first part of [[Kaiji]]. More outgoing, friendly, and daring than Kaiji, he also participated in the [[steel beam]] race. [Spoiler]Fell to his death after being tricked by the false finish line.[/spoiler]
sahara makoto