The ache of my heart (romaji version)
 
(transliterated by Mako)
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nemuranai yoru ga tsuzuki  miageta shiroi tsuki
ima mo azayaka ni ukabu  asenai kioku ni mune no itami kurikaesu

te wo nobashitemo todokanai kimi no senaka
soredemo boku wa yume no naka  oikaketeita

nanimo nakatta kano youni  furumatte shimau kedo
dekirunara subete wo wasureraretara...
kitto  I'll be with a smile

shiranai michi wo erande  aruita kaerimichi
toomawari demo iikara  kasukana kitai wo kono mune kara keshitakute

zattou no naka de  karamawatteru  boku no omoi
SIGNAL ga kawattemo mada fumidasenaiyo

nanimo nakatta kano youni  hohondeiru kedo
yowai jibun nante tachikiretanara...
motto  I'll be with a smile

nanimo nakattandayo to  sasayaite kuretara
donnani ima boku wa sukuwareru darou...
dakedo  still love you
nanimo nakatta kano youni  furumatte irukedo
soredemo mada kimi wo omoidasunda...
ima wa  sukoshi nakasete