HyeJu

Son Hye-ju (Korean: 손혜주; born November 13, 2001), known mononymously as Hyeju and formerly as Olivia Hye (Korean: 올리비아 혜), is a South Korean singer. She debuted as the twelfth and final member of the South Korean girl group Loona and later as a member of its sub-unit Loona yyxy. She was also a member of the k-pop girl group Loossemble.