Soyul (소율) is a South Korean singer, member of the project girl group Resonar. She was a member of the girl group Crayon Pop. She was also part of the short-lived duo Chic'6 Muscats. She is a former member of the girl group Crayon Pop. On 12 Jan 2015, she released her solo debut single ‘Y-Shirt’. Soyul got married to Moon Hee Jun of H.O.T on February 12, 2017. She gave birth to her first child on May 12, 2017.