Singer Choi Sung Eun revealed her arrangement of the original parents' day song "The Saddest Parents' Day Song in the World".

On April 30, Choi Sung Eun's agency rep commented: "Choi Sung Eun made 'The Saddest Parents' Day Song in the World' for Parents' Day on May 8. She has also released a illustration clip expressing the love of parents for their children."

"The Saddest Parents' Day Song in the World" features the sad voice of Choi Sung Eun on a mellow piano sound.

Agency staff stated: "Choi Sung Eun expressed her experience in making of the song, singing about the days that she has spent working at a live cafe to help her mother when her real passion was in music. Her heart and love for her parents are embedded in the song."

Meanwhile, Choi Sung Eun had previously received positive acclaim during her appearance in Mnet "Voice of Korea: Season 2".