Diamond no Jundo

 (ダイヤモンドの純度) is the third collaboration character single by both Hayami Saori and Touyama Nao. It, and peaked at #8 on the Oricon single chart.

Single Information
The lead track Diamond no Jundo was used as the ending theme for the anime My Teen Romantic Comedy SNAFU Climax.
 * Catalog Number: GNCA-0605
 * Price: ¥ 1,320
 * Lyrics: Fujibayashi Shoko
 * Composition and Arrangement: Kurosu Katsuhiko

Tracklist

 * 1) Diamond no Jundo (ダイヤモンドの純度)
 * 2) Diamond no Jundo ～Yui Ballade～
 * 3) Diamond no Jundo ～Yukino Ballade～
 * 4) Diamond no Jundo (Instrumental)
 * 5) Diamond no Jundo ～Yui Ballade～ (Instrumental)
 * 6) Diamond no Jundo ～Yukino Ballade～ (Instrumental)

Featured Artists

 * Hayami Saori as Yukino Yukinoshita (雪ノ下雪乃)
 * Touyama Nao as Yui Yuigahama (由比ヶ浜結衣)

Trivia

 * The single was originally set to be released on May 13, 2020, but it was postponed to July 15 due to the COVID-19 pandemic.