On August 30, 2018, the finale episode of Produce 48 aired showing that Kaeun was eliminated from the competition with her achieving 14th place. She is to return to her group activities with her company and girl group.
- "THE IDOLM@STER.KR OST Part.2" (as part of Red Queen) (2017)
Music video appearances
- produce 48 (Mnet, 2018) - contestant
- Spent her middle school years in Japan.
- Her hobbies are walking playing with her dog, walking, watching movies and reading.
- Her specialties are singing, dancing, Japanese and playing the flute.
- Her Produce 48 motto was "This is my last chance. I have nothing to fear." while her catchphrase was "Once again, After School's Kaeun ♪".