Umare te
hajimete kizamu you na
atarashii ichi byou sa
kimi wane
tokubetsu nan da yo
yuiitsu muni no sonzai Oh

boku wo yobu sone koe
kaze no you ni sasayaki
sassou to sarau no sa
kasuka ni fereru sono te ni
fushigi to shizen ni
michibikare te yuku yo

Oh 1 of 1 girl
sono na wa uruwashi kimi no iro
Oh 1 of 1 girl
One & Only "kakegae nai" toyuu imi
yakushi te mi tara "kimi"

haru no you ni irotoridori
totte oki no Color o matotte Yeah
kizuka nu ma ni mankai ni natte yuku
wakari yasuku ne chakujitsu ni kimi e

tokimeku nan do demo
kankaku Replay
niteru you de chigau no sa
furidashi fallin' fallin' for you
mata hajime kara
kimi ni koishiyou
kono machikado surechigau
kazoekire nu hito no nami
nomikomare wa shi nai
kimi wa utsukushii
You're my baby

Oh 1 of 1 girl (I'm your only baby)
sono na wa urawashi kim ino iro
Oh 1 of 1 girl (Oh)
One & Only "kakegae nai" toyuu imi
yakushi te mi tara "kimi" (Oh)

1 of 1 girl
hoshii no wa kimi to ikiru sekai
Oh 1 of 1 girl (Girl)
One & Only deae ta kono kiseki
boku ga iki te ku imi

iku sen no mabataki ga kono ai wo
mimamoritsuzekeru you ni
boku wa ima kimi o terasu kara

Oh 1 of 1 girl (Girl)
sono na wa uruwashi kimi no iro
Oh 1 of 1 girl (Girl)
One & Only " kekegae nai" toyuu imi
yakushi te mi tara "kimi"

1 of 1 girl (Oh)
hoshii no wa kimi to ikiru sekai
Oh 1 of 1 girl
One & Only deae ta kono kiseki
boku ga iki te ku imi

Oh 1 of 1 girl
Oh 1 of 1 girl
jinsei ni irodori o
Oh 1 of 1 girl
atae te kure ta hito wa
One & Only kimi dake