* Who's that just who's that? I wanna know
Who's that just who's that?
Why didn't you tell me
Nani mo oshiete kurenakatta no
Who's that just who's that? I wanna know
Who's that just who's that?
Itsu made nigeru tsumori na no
now tell me who's that girl who's that
Chikagoro myou ni you look so strange
Nanika wo baby kakushiteru yousu
Fushin na BERU fuan wo tsugeru
Baby, how can I ask you "who is it?"
Demo ne shinjite iru shinjitsu tashikameru made wa
I still believe in you ki no sei
Demo ne kono nichiyou I saw you on the street
Anata to aruku sono KO Who's that girl
* repeat
Who's that just who's that? Oshiete yo
Who's that just who's that?
Itsu made nigeru tsumori na no
now tell me who's that girl who's that
I see your face
I see you look so pale
TABAKO ni te wo nobashite
Nani mo iwanakutemo
baby I found you tried to hide away
Demo ne shinjite iru shinjitsu tashikameru made wa
I still believe in you ki no sei
Demo ne kono nichiyou
I saw you on the street anata to aruku sono KO
* repeat
Who's that just who's that?
Who's that just who's that?
Itsu made nigeru tsumori my boy
now tell me who's that girl who's that
Oboete iru what you said to me
never gonna tell you lies
you told me never gonna say goodbye
I still believe in you oroka demo
Dakara waratte USO da to hitei shite
Who's that just who's that?...
Who's that just who's that?
* repeat...