Dorado

On February 14, 2019, she released "Laro Laro" which is the OST for the Filipino film Pansamantagal under the name Gwyneth. In 2021, three of her songs were used in the Filipino film '. "Shooting Stars" was the main theme song of the film.

"For You" and "Home" were also featured in the film's soundtrack. It was later revealed she signed a five year contract with A. O Entertainment.

In February 2025, A. O Entertainment opened her official SNS accounts. She plans to make her solo debut in South Korea under the name Dorado which is her surname.

On May 2, she released "What If" which is the OST for the first Korean lesbian dating show ToGetHer. On September 23, she announced that she would be releasing the digital single (mislabeled as mini album) "Way" the same day. This marks as her South Korean debut.

On October 1, she was identified as the contestant SingAgain4 Singer No. 59 (싱어게인4 59호 가수) on the JTBC survival show Sing Again 4. On October 21, she passed the first round with all eight votes from the judges after performing "As Time Goes By" by Choi Ho Seob in the second episode.

On November 4, during the second round, she performed "On a Night Like Tonight" by Park Jungwoon with Kim Ye Chan in a duet battle against slowly and Jadu in the fourth episode. Their battle ended in a tie, but the judges gave her a pass to the third round. On November 25, during the third round, she performed "One Late Night in 1994" by in a battle against sanha in the seventh episode.

She won the battle and advanced to the fourth round. On December 9, during the fourth round, she performed "Rebirth" by Yoon Jong Shin in a battle against sanha, Han Seong-il, and Lee Oh Wook in the ninth episode. She earned a spot in the top 10 and advanced to the fifth & semi-final round with Lee Oh Wook after they both received all eight votes from the judges.

On December 16, before the semi-final round started, she introduced herself as Dorado and performed her song "On My Way" during the naming ceremony for the top 10 contestants in the 10th episode. Then, she performed "Only Then" by Roy Kim in a battle against Kyuri. She won the battle and advanced to the final round.

On December 30, in the 12th episode, she performed a new song that was produced by Kim Do Hun of RBW called "I Want You". She also performed "Even Though You Said So Easily" by with Kim Ye Chan, Kyuri, and Sing Again 3 finalists leejean & So Soo Bin. At the end of the episode, it was revealed that she finished in first place during the first part of the final round and advanced to the second part.

On January 6, 2026, in the 13th and final episode, she performed "Etude of Memory" by Exhibition and a new song that was produced by GroovyRoom called "Light Up". At the end of the episode, the final results were revealed, and she finished in second place. She received ₩30,000,000 in music activity funding and a Jakomo premium sofa as prizes.

On January 7, Music Farm, which was one of the agencies involved in releasing the discography of Sing Again 4, announced that they signed exclusive two-year management contracts with the top 6 contestants including Dorado, Lee Oh Wook, Kim Jaemin, slowly, sEODo, and Kyuri. On January 10, Dorado, Lee Oh Wook, and Kim Jaemin appeared on ' for an interview. On January 17, she appeared as a guest in the 514th episode of the JTBC variety show ' with the other Sing Again 4 top 7 contestants.

She performed "Rebirth" by Yo...