"Green Day" and "Oasis" (8)(『グリーン・ディ』と『オアシス』 その⑧"Gurīn Dei" to "Oashisu" Sono 8), originally Happiness!!(幸せって!!Shiwase tte!!) in the WSJ release, is the five hundred sixty-first chapter of the JoJo's Bizarre Adventure manga. It is also the one hundred twenty-second chapter of Vento Aureo.