Feilang

Japanese name:

緋狼

A hitman from Beijing who was Lin's training partner. He provided emotional support for Lin while at the assassin training grounds in China. However, he ends up betraying him at the final exam where the two had to fight to the death when he revealed that he killed his previous roommate. Lin apparently killed him to pass the exam, but he survived and has since made a living as a hitman in Beijing.

Voice Actor: Shimazaki Nobunaga

Wikipedia