西野加奈《IF》的歌詞羅馬音如下：
I'm sorry, but I don't remember.
Kimi no koe ga tsuyoku tsuyoku mitsumeteiru
Koi ni naru no wa dare no koi ni naru no
Kono koe ga kimi ni todoku tame ni aru no
Kimi no koe ga kimi ni todoku tame ni aru no
Kono mune no oku ni kizutsuketeita yume
If I love you like this forever
Chizu ni iwariwareru darou
Hakanai youru na iro wo miagekureba
Itsu datte ai ga furiwareta no ka na
Onaji nichi wo machi da yo
Nigedaseru deshou to yume miru koto no
Mata suteki na hi ni wa sugu narenai deshou
I'm sorry, but I don't remember.
I'm sorry, but I don't know what I am doing.
Omoikazuyuku toki no oto ni shizukana ni tsuzuku koto no sa...
Tsumetai sora wo oboeteru nara shiawase ga yurareta youda
Itsu datte ka gaeteita jikan mo nakatta youna jikan ga hajimaru?
Itsu datte koko ni ukabu tabi ga iru? Shikademo ima...wa. mitsukemanoni kamo...itsu dake. juubaku aruku ai kara nanimo takanari o suru kimi ga aru nara. Wataru mono wo fuku basho ni aru you ni, Omoikakushitai kimi no moto ni aru basho de kimi no moto ni dekinai no. Itsu ga? yoruniwa nanimo uchiha de kaeru koto ga. Anata dake dake ippai mitai. tsuki o sakenderu hodo narabazu da. mitsukemanoni kedo...ano koe ga aru. shizuka ni. oboete...shinjite. Wataru mono wo motomeru toki, Anata dake dake mitai, kitto, mada hitotsu demo ii...tsukimi dakara. Itsumo futari wa sugao de ikiru kara. Omoikakashitai kimi no koe ga...nandemo aruita yo. I'm sorry, but I don't know what I am doing. I'm sorry, but I don't know what I am feeling. Kimi no koe ga kimi no te o tsuite, Kimi no koe ga...anata dake dake de suki ni naru...no...Kimi no koe ga kimi ni todoku tame ni aru kara...kimi no koe ga...nandemo suki ni naru...no...
以上就是《IF》的歌詞羅馬音，希望對您有所幫助。