BIRTHDAY!! kyou to iu ichinichi wa BIRTHDAY!! zenbu kimi no mono
BIRTHDAY!! kimi ni BIRTHDAY!! kono uta wo utaitai
BIRTHDAY!! kyou to iu kono hi made BIRTHDAY!! ironna koto atta ne
BIRTHDAY!! ichiban suteki na koto kyou kimi ga ikiteru koto
... HAPPY BIRTHDAY TO YOU
BIRTHDAY!! mo aru n'dayo BIRTHDAY!! choppiri chiisai kedo
BIRTHDAY!! nanbon daro BIRTHDAY!! Saa hiwotsukeyou yo!!
BIRTHDAY!! kyou wa tokubetsu dakara BIRTHDAY!! kossori iu keredo
BIRTHDAY!! omedetou no maeni boku wa kimi ga daisuki!!