Written by Gibson and Tatsuro Yamashita, the single was released exclusively in Japan in 1990 by Warner Pioneer under the Atlantic label.

[1] It was featured in the 1990 TBS drama series Otoko ni Tsuite (男について, About Men).

[3] It was also included in her 2017 box set We Could Be Together and the 2021 Deluxe Edition release of her 1989 album Electric Youth.

[2][6] All lyrics are written by Deborah Gibson; all music is composed by Tatsuro Yamashita ^ Shipments figures based on certification alone.

Six months after the release of "Without You", Yamashita rewrote the song as "Sayonara Natsu no Hi" (さよなら夏の日, lit.