In August of 2011, her cover of Beyonce's "Halo" was her first for her YouTube channel. One of her first album releases was a 2013 EP called Foolish Story.
Her JFlaMusic YouTube channel, which features both original and cover songs, has more than 7 million subscribers. Her video "Let Me Love You & Faded (MASHUP cover by J.Fla) surpassed 15 million views in 6 months.
She is from Seoul, South Korea. She has a dog named Lucky who's featured on her Instagram.
Her cover of Ed Sheeran's "Shape of You" surpassed 30 million views in only 4 months.