I got it from a 2ch bbs.

You won't find the 100% accurate lyrics at this time, though. Since the single isn't out yet. Some spellings might be different but I think the words are correct.
I don't know about the romanised versions in the thread and I can't romanise it myself now either because I've only listened to the song once and never even downloaded it.

Okay, I did this myself. Based on the SJIS up there. Should be closer.
yuuhi ni tasogare kodoku ni niau wa
anata no kuchiguse mada mimi ni nokoru
namida wa misenai dare ni mo misenai
tsuyogari bakari no watashi
yurushite yaru nante
baka ne baka ne baka ne
doushite ano ko ni
torarechau no baka ne
yappa namida ne
aa itsuka wa shiawase ga kuru wa
deau tame no junbi suru kikan
aa dokoka de mattete kudasai
onna ni sachi are asahi yo nobore
tokai ni akogare shanimuni kurashita
futoshita nukumori anata no yasashisa
tanoshii mainichi tokai mo naretashi
shiawase ni tsutsumareteta
nannimo kizukazu
baka ne baka ne baka ne
ano ko to itsu kara
nakayoshi na no anata
yappa namida ne
aa itsuka wa shiawase ga kuru wa
sou ja nakerya fukouhei sugiru
aa soko made watashi ga yuku kara
onna ni sachi are asahi yo nobore
aa itsuka wa shiawase ga kuru wa
deau tame no junbi suru kikan
aa dokoka de mattete kudasai
onna ni sachi are asahi yo nobore
aa itsuka wa shiawase ga kuru wa
sou ja nakerya fukouhei sugiru
aa soko made watashi ga yuku kara
onna ni sachi are asahi yo nobore