Written by Yasuhiro Suzu and Atsuko, the single was released on February 11, 1998, by Gauss Entertainment (a subsidiary of Daiichikosho) under the This One label.

[1] "Kisei (Never Forget)" was Nakamori's first release under Gauss Entertainment, less than a year after departing from MCA Victor.

It was used as the theme song of the YTV drama series Tsumetai Tsuki (冷たい月, lit.

The B-side is a remastered version of "Tsuki wa Aoku" (月は青く, lit.

Nakamori re-recorded "Kisei (Never Forget)" on her 2007 compilation album Ballad Best 25th Anniversary Selection.