(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... [bad word] 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 [bad word] 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... [bad word] 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)