Yoichi Nagumo

Age: 27
Birthdate: July 9, 1993
Height: 190 cm
Weight: 78 kg
Eye Color: black
Hair Color: black
Occupation: Assassin
Affiliation: JAA, The Order

Nagumo is an assassin and Tarou Sakamoto's old friend. He is also member of Japan Assassin Association (JAA) Elite Squad, ORDER. And the son of a spy family.

(Source: Sakamoto Days Wiki)