She also performed on the original soundtracks of the television series' Lovers in Prague, Spring Waltz and The Famous Seven Princesses between 2006 and 2007.

[2] Maeng wanted to become a singer but her father opposed this choice of career on several occasions because he felt it would not be easy for her.

After making her debut in Japan, Maeng released her first full-length album in Korea called The Peacock 001.

[11] At the time of her death, Maeng was working and preparing for the release of her third full-length album in June 2019 and was invited to take up a professorship at the Department of Applied Music at an unnamed university.

[15] Maeng received a small, private funeral with close acquaintances,[14] and she was buried at Gimpo's Rainbow Hill Memorial Park.