Sung Si-Kyung will release her eighth full-length album "S" on various online music sites at 6 p.m. on the 21st.

Sung Si-Kyung's eighth full-length album "S" is the first full-length album in about 10 years since "First" released in 2011, and contains messages about ordinary but precious things that start with "S" such as people, love, life, time, wounds, gifts, touch, and poetry.

The title track "I Love U" is a song that features rhythmical and cheerful rhythms, melting the feelings of clumsy excitement that suddenly came one day with lovely songs and Sung Si-Kyung's sweet voice. In particular, Sung Si-Kyung is drawing keen attention from music fans by showing off her relaxed dance skills through "I Love U" and signaling drastic changes in music and visuals.

In addition to the title track, "And we go (and we go)," "Wanderer," "We once loved you," "With our hearts," "Mom and dad," "I have never forgotten you," "My Night My You," "My Lullaby," "Winter." A total of 14 tracks, including "IU," are expected to give listeners a deep afterglow and echo.