Park Hye-su (Korean: 박혜수; Hanja: 朴惠秀; born November 24, 1994), also spelled as Park Hye-soo, is a South Korean actress and singer. She participated in K-pop Star 4 as a contestant. Park rose to fame for her role in Hello, My Twenties!. She took on her first lead role in Introverted Boss.