(Ah good day for me)
I believe in my heart
(Ah good day for you)

(Ah good day for me)
I believe in my heart
(Ah good day for everyone)

Konshuu no tenki wa zenkokuteki ni hare
Yohoudoori ataru ka na

Hoshiuranai ni atta kyou no unsei wa dore?
Yosoudoori umaku ikeba good day!

Ara?
Monday nande ame futte
Tuesday nande kasa nakute
Wednesday nande bishonure jan
Are
Thursday ban tte niji ga dete
Friday saturday waraechatte
Sunday nande mou isshuukan
Iroiro atte karafuru na day

(Ah good day for me)
I believe in my heart
(Ah good day for everyone)

Dotakyan de kyou wa keikaku ga choi zure
Yoteigai ni hima da yo ne

Shuumatsu hangaku de karita eiga no kore!
Yosougai ni urutto kichatte good day!

Iko
Monday nande yume datte
Tuesday nande muri datte
Wednesday nande tomannai yo
Hora
Thursday kira tte hoshi ga dete
Friday saturday negatchatte
Sunday kyou mo watashirashiku
Konna hibi ga mirai e no way

Demo
Monday nanka fuan de
Tuesday nanka tsurakute
Wednesday nanka wakannai yo
Kedo
Thursday nando mayotta tte
Friday saturday shinjite
Sunday datte ichidokiri no every day!

Iko
Monday nande yume datte
Tuesday nande muri datte
Wednesday nande tomannai yo
Hora
Thursday kira tte hoshi ga dete
Friday saturday negatchatte
Sunday kyou mo watashirashiku
Donna hibi mo taisetsu na day

(Ah good day for me)
I believe in my heart
(Ah good day for you)

(Ah good day for me)
I believe in my heart
(Ah good day for everyone)