Hulang

Spy Rank: Gold Manga Debut: Chapter 135 Hulang used to be a a teacher for the Spy Association, she would help train spies in many different forms, like firearms training, fitness training and lectures. As a result, many of the older spies today will recognise her as their teacher. Hulang retired from teaching years ago, but was contacted by Rei Yozakura to help discipline Kengo Yozakura due to his wild nature. Kengo became her last and best student calling them the "Ultimate Master and Disciple". (Source: Mission: Yozakura Family Wiki)