Brown Eyed Girls member Gain has surprised fans with the release of a new single on November 30.

She will be releasing her new single, Nostalgia, on November 30.

Previously, Gain released her 2nd solo album in November called, Talk About S, and received much love and support. 

LOEN Entertainment commented, "This new song is a way to thank her fans for always being there and supporting her. We hope that many look out for this song."

Her new digital single will be released on November 30 online.