Ungjae has a tattoo on his left arm that says “no one is beneath & no one is above anyone”
Ungjae composed and wrote lyrics for a lot of Imfact's songs.
Ungjae changes his hair color according to his mood.
Ungjae stated that he likes the color pink and that he thinks it's outdated to say that only women can like it.
Ungjae's members revealed on V-Live that his "preference keeps changing (between men and women)" and that his ideal type is actor Lee Minho.
Ungjae can play the piano.