Shiroi katen no naka kirakira hairu hizashi Mukumuku mega sameta kesa Good morning radio dj koubashii kohi no kaori Kitto umaku iku yokanga suru Nanka waraiga koborete shiawasena kibun Kyowa kuji demo hiite miyo Oh oh happy day oh oh happy smile Oh oh happy sound oh oh happy life Oh oh happy day oh oh happy smile Oh oh happy sound oh oh happy life Oh my happy day Katani gitawo kake nanka karui ashidoride Sekaino nakae hashiretara Ohayou gozaimasu banira ice cream obaachan Kyoumo shiawasena ichinichiwo Purururu chakushin no oto senpai karano meru Majide sorawo tonderu kibun Oh oh happy day oh oh happy smile Oh oh happy sound oh oh happy life Oh oh happy day oh oh happy smile Oh oh happy sound oh oh happy life Oh my happy day