Otona ni wa itsu natta'n darou?
Piano wo yameta hi ka sotsugyou wo shita hi ka
Kidzuitara kodomo ja nakatta
Sonna ni nagaku wa ikite inai no ni
Koi datte shita koto wa arushi
Shigoto mo shite iru shi
Bonyari to kekkon mo souzou shitari shite
Tanjoubi ga chikai
Itsunomanika toki wa sugiteru
Kyou made atto iu ma datta
Nani wo shite kita no ka? Nani wo shite iru ka?
Jinsei wo kangaetaku naru
Otona ni wa itsu natta'n darou?
Meiku wo shita hi ka kuchidzuke shita hi ka
Hajimete no keiken bakari de
Hashaideru uchi ni ni hatachi wo koeteta
Yorokobi mo kanashimi mo ippai
Omoide afureru shi
Akiramete inai yume mo mada hitotsu aru kedo
Tanjoubi ga chikai
Oto wo tatezu hibi wa sugiteku
Mirai wa mou hajimatteru
Kore kara nani wo suru? Dou ikite yuku ka?
Shiawase wo kangaete shimau
Tachidomaru yoru
Itsunomanika toki wa sugiteru
Kyou made atto iu ma datta
Nani wo shite kita no ka? Nani wo shite iru ka?
Jinsei wo kangaetaku naru
Sou mawari wa minna kawatta
Watashi wa jibun ga mienai
Sukoshi wa kawatta ka? Seichou dekita ka?
Aru hi hitorigoto wo iu
Motto suteki ni naritai