His hobbies include composing, fashion, collecting accessories and shoes.[1] His specialties are singing and writing themes.[1] On February 24, 2011, he was admitted into the bachelor program for Performing Arts at the Dong-Ah Institute of Media and Arts, starting his new semester as a fourth year student.[3] Jun.K is a Buddhist.
About his name change he said in a Starcast interview in 2014, that "there are still hateful comments about me changing my name. It is a name which my father gave me in advance before he passed away after thinking when to give it to me. I talked about it for 8 months with my mother. I thought about it for a long time since changing name didn’t feel good to me".[14]