Great Days is the third opening theme song of JoJo's Bizarre Adventure: Diamond is Unbreakable and the seventh overall opening theme of the JoJo's Bizarre Adventure anime. A version of the song performed by a group called JO☆UNITED, made up of vocalists from.
The single was released on October 19, 2016. The song is performed by the jazz vocalist Karen Aoki and Daisuke Hasegawa and composed by Yugo Kanno. Great Days is the third opening of JoJo's Bizarre Adventure: Diamond is Unbreakable and the seventh overall opening of the JoJo's Bizarre Adventure anime. The single was released for sale on April 23rd 2014. Animated by Studio Kamikaze Douga, the song is performed by Jin Hashimoto, with lyrics by Shoko FujibayashiW, composition by Takatuku WakabayashiW, and arrangement (and guitars) by ZENTAW.