Kokoro no Naka no RUBY

Kokoro no Naka no RUBY is Kawakami Yukie's fifth and final single.

Kokoro no Naka no RUBY

 * Lyrics: Miura Yoshiko
 * Composition: Tamaki Koji
 * Arrangement: Seo Ichizou

Sotsugyo shite kara

 * Lyrics: Akimoto Yasushi
 * Composition: Kuniyasu Wataru
 * Arrangement: Seo Ichizou

Other

 * AH-591

Tracklist

 * 1) Kokoro no Naka no RUBY (心の中のルビー; The Ruby in your Heart)
 * 2) Sotsugyo shite kara (卒業してから; -AFTER GRADUATION-)