itsumo sono nanika wo ushinatte kara
taisetsu da to kizuite kurande asu e fumidasu no wa kowaku natta
kizudara te de kokoro no sora ame tsuzuki
demo anata ga kurete ita koto de sora ni niji ga kakatta no
nanika no bun dake asu wa motto yasashiku ageru
muda na koto nante hitotsu mo nai kara daijoubu to
anata no yasashisashite umareta kimochi
arigatou deaete yokatta
sekai wa konna ni kagayaku niji-iro shiteru
sou anata ga oshiete kureta
mou aenai nante kangaeru dake de
hitoribocchi sonna ki ga shiteta demo ima wa chanto wakaru
soba ni inakute mo moratta yasashisa wa kiezu ni
kokoro ni nokotte sasaetsuzukete kureru koto
kokoro no sora ni kakatta kono niji kitto
asu ni sugareru dake hashitta ne
anata ni otoreru(?) you na atashi sagashite
ima arukidasu to kimeta no
tsumazukisu ni natte mo kokoro ni niji no egao to
atashi mo itsuka dareka ni sono hikari wo tsutaetai no
anata no yasashisa shite umareta kimochi
arigatou deaete yokatta
sekai wa konna ni kagayaku niji-iro shiteru
anata ga oshiete kureta
kokoro no sora ni kakatta kono niji kitto
asu ni sugareru　hashitta ne
anata ga kureru yuuki wo kangae mezasu yo
kagayaku niji no mukougawa