Singles List of singles, showing year released, chart positions, and album name On September 6, Chaeyeon released her first single album titled The Move: Street, with the lead single 'Let's Dance'. She went on to appear in the episodes that she had filmed prior to her withdrawal. However on May 19, it was announced that Chaeyeon would be leaving the show prior to its airdate. On April 24, it was announced that Chaeyeon would be a contestant on the Mnet reality competition show Queendom Puzzle. On Circle Digital Chart, 'Knock' debuted at number 197 and peaked at number 26. The single debuted at number 521 on Melon Daily Chart before rising to number 50 on May 2, nearly a month after the single's release, at which time it also entered the Melon Real-time Chart at number 17. Despite a slow start, 'Knock,' the lead single off of Over the Moon, achieved a remarkable rise on South Korean music charts. On March 21, 2023, it was announced that Chaeyeon would be releasing her second extended play titled Over the Moon on April 12. Along with the an accompanying music video and three additional songs: 'Same but Different', 'Danny' and 'Aquamarine'. On September 21, a teaser was posted announcing her debut extended play, Hush Rush, which was released on October 12, 2022. On September 15, 2022, WM Entertainment confirmed that Chaeyeon would be making her solo debut in October. 2022–present: Debut with Hush Rush, and Over the Moon

On December 13, 2021, Lee acted alongside Kang Chan-hee in a short promotional video for Busan Tourism Organization. In September, it was announced Lee and former Iz*One members Jo Yu-ri and Kang Hye-won would-be hosts in a new web show titled Adola Travel Agency: Cheat-ing Trip. The crew was eliminated on the 6th episode.

On July 11, 2021, it was announced that she would be participating in the reality TV show Street Woman Fighter as one of the Want dance crew members. On April 29, 2021, Iz*One disbanded after the group's contract expired. The group's debut extended play (EP) Color*Iz was released on October 29, 2018, with ' La Vie en Rose' serving as its lead single.

She eventually ranked 12th place and debuted with Iz*One. From June 15 to August 31, 2018, Lee represented WM Entertainment on reality girl group survival show Produce 48.

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