Sung Su Jin, contestant of SBS "K-Pop Star: Season 2", released her first digital single.

On May 8, Sung Su Jin released her digital single "STAY" through online music stores.

"STAY" is a collaboration of producer Park Hyun Joon and his team. The song features a hip-hop rhythm and a beautiful piano sound, with Noh Kyung Hwan's guitar playing as its highlight.

Crazy Sound, Sung Su Jin's agency, claimed: "We've been preparing hard for this single. We will approach fans with better music in the future."

Meanwhile, Sung Su Jin gained popularity through her appearance on SBS "K-Pop Star: Season 2".