Colorful Diamond

 (カラフルダイヤモンド) is a twelve-member male idol group. The group was formed on May 18, 2023 after all the member graduated from BOYMEN AREA KENKYUSEI.

Members

 * Furukawa Rui (古川流唯; ) (Front member)
 * Nakashita Yuki (中下雄貴; ) (Front member)
 * Utsumi Taichi (内海太一; ) (Front member)
 * Setsura Kuken (設楽賢; ) (Front member)
 * Takagaki Hiroyuki (高垣博之; ) (Front member)
 * Kunimura Ryoga (國村諒河; ) (Leader)
 * Oka Yamato (岡大和; )
 * Kotsuji Iori (小辻庵; )
 * Ishida Yuya (石田侑也; )
 * Seki Yuki (関優樹; )
 * Towa (永遠; )
 * Kato Sora (加藤青空; )

Singles

 * 1) [2023.08.16] Amakyun (あまキュン)

Trivia

 * Colorful Diamond is also the name of BOYMEN AREA KENKYUSEI's 1st Album.