Immature (Japanese Version)

Ah otona tte hontōni ikigurushī
Ma-son'nani komakai koto
Kinishinaide sa
Wakatta wakatta ashita yarukara
Kon'ya wa asobi ni itte kuru ne
JUST A KID

Gaki no koro no mama de
(I'm not a boy anymore)
Otona ni mada narenakute
Se wa nobite yukukedo
Kokoro wa osanai mama de
(JUST A KID)

(That's me)
My MAMA majigire chō yabē
Itsu made tatte mo mada gakusei
WHAT!
I wanna be a Peterpan
Ikutsu ni nattatte kawan ne
PASSPORT nakute mo FLY (FLY)
Nando taorete mo KEEP TRYING
(KEEP TRYING)
Don'nani mogaite kurushin demo
Oshitsubusa re-sōna eburidi
(so heavy)
Dakedo shōnen de itai nda ore wa
SO WHAT?!

OK I'll get up, Err day I turn up
Mā, shinpai nante shite mo muda-sa
OK I'll get up, shinpai wa Cut off
Ashita no koto wa mō wasurete

Hottoite! Leave me alone
Not going home
Shōnen no mama kakenuke GO
Hottoite! Leave me alone
Not going home
Ai shite konomama no ore o

Yoasobi dekiru no wa
Sorya I KNOW demo ima dake de
Zenbu ALL MY FAULT nanoni
Jibun no ketsu mo fukenaide (JUST A KID)

Dare mo ore o tome rarenē
Yume janee WALLSTREET
Secrete it in, out
Orera no epinefurin
(Sell me this pen)
Kako ni nanika o motomeru na
Ima wa GO OUT AND PLAY
Osoreru koto wanai Call me
Yumemi BOY de GOOD

OK I'll get up, Err day I turn up
Mā, shinpai nante shite mo muda-sa
OK I'll get up, shinpai wa Cut off
Ashita no koto wa mō wasurete

Toki ga tachi toshioite mo
(nani mo kangaezu ni nani o iwa reyou to)
Mōmodorenai to shite mo
(kono mama kawarazu shōnen no mama ni)

Hottoite! Leave me alone
Not going home
Shōnen no mama kakenuke GO
Hottoite! Leave me alone
Not going home
Ai shite konomama no ore o

OK I'll get up, Err day I turn up
Mā, shinpai nante shite mo muda-sa
OK I'll get up, shinpai wa Cut off
Ashita no koto wa mō wasurete

Hottoite! Leave me alone
Not going home
Shōnen no mama kakenuke GO
Hottoite! Leave me alone
Not going home
Ai shite konomama no ore o.