Chuu

About

On December 14, 2017, she was revealed as the tenth member of LOONA. Her solo single album, titled "Chuu", was released on December 28. She debuted as a member of the group's third sub-unit, yyxy, on May 30, 2018 with the mini album Beauty & The Beat.

On August 20, 2018, LOONA debuted as a full twelve-member group with their first mini album + +. On March 29, 2022, it was revealed that she was currently in a legal dispute with her agency to suspend her contract due to lack of payment. On June 3, BlockBerryCreative announced that Chuu would not be taking part in 2022 LOONA 1st World Tour 'LOONATHEWORLD' due to schedule conflicts.

On July 25, BlockBerry Creative announced that Chuu would neither be participating in LOONA's new Japanese release "Luminous" nor their Japanese promotions. On October 28, OSEN released a statement stating that Chuu had set up her own agency called Chuu Co. , Ltd.

A BlockBerryCreative representative then revealed that they were checking the facts, and that the rumors of Chuu's transfer from the agency were groundless. On November 25, 2022, BlockBerry Creative released a statement announcing Chuu's removal from the group due to allegedly using violent language and misusing her power towards staff members. In an Instagram story on November 28, she explained that she was "still grasping the situation" as she knew nothing about it and hadn't been contacted by BlockBerry Creative.

She added that she had never done anything that would have embarrassed her fans. On November 28, it was reported by Edaily that Chuu had signed with BY4M Studio to embark on a new start and that the agency would soon officially announce her addition in the company as well as the direction of her future activities. On February 1, 2023, it was announced that BlockBerryCreative had submitted a petition asking to suspend Chuu’s entertainment activities.

The following day, she personally spoke up regarding media reports about BlockBerryCreative’s action against her and LOONA members. On April 7, Chuu became the first artist to sign with the startup company ATRP. On August 4, Chuu revealed that she would release her lightstick named Kkuka.

BlockBerryCreative eventually appealed the decision. On August 29, Donga reported that Chuu would be releasing her solo debut album in October. ATRP later confirmed the news.

On September 18, a first teaser was revealed, announcing that her comeback mini album was slated for release on October 18. Through a series of teasers, the title was later revealed to be Howl. On February 12, 2024, Chuu announced her fourth digital single, "Chocolate", which was released the following day.

On March 8, the 7th Civil Division of the Seoul High Court ruled in favor of Chuu in the appeal trial of her lawsuit against BlockBerryCreative. On May 22, ATRP announced that Chuu was currently filming a music video in Australia for her next album planned for June. On May 29, ATRP released a series of teaser for Chuu's second mini album Strawberry Rush, scheduled to be released on June 25.

On July 19, it was announced that Chuu would be releasing the digital single "Second Love" on July 22. On November 7, Chuu unveiled the music video teaser for "Nrv", released on November 9. On March 27, 2025, it was announced that Chuu will be releasing a remake of the 2023 Kixo song "Because I'm Stupid?

", later that day. On March 28, it was announced that Chuu will be releasing her third mini album Only Cry In The Rain on April 21. On November 20, 2025, ATRP shared a statement announcing that Chuu would be making a comeback with a full-length album sometime in January 2026.

On December 15, Chuu released a teaser for XO, My Cyberlove, set for release on January 7.