"My manager is like the older brother I never had and a father rolled into one. I feel happy and safe when I'm around him."
— Nana's manager
Name: Jung Hajun
Birthdate: April 2, 1993
Birthplace: Sydney, Australia
Occupation: manager (2019-now), bodyguard (2013-2018)
Martial Status: single— Hajun has been Nana's manager since debut. Despite being a female soloist, Nana has expressed that she feels the safest around Manager Hajun. Before joining BigHit Entertainment, Hajun worked as a bodyguard. He is a fairly new manager but he is known in the company for being strict and stern with it comes to Nana's opinions, reputation and most importantly her safety. AMI (Nana's fandom) had given him the title of "perfect older brother and Nana's older brother." Nana is said to care a lot about Manager Hajun as she's always looking where he is. Nana stated that Manager Hajun has introduced her into boxing as a form of exercise, but she still prefers dance. He is not married nor in a relationship.
Quote of his: "Nana, hurry we have another schedule. Put that tea down, you've have like six cups." *sigh*