arigatou
kimi ga ite kurete hontou yokatta yo
donna toki datte itsumo
waratte irareru
tatoeba, hanarete ite mo nan nen datte mo
zutto kawaranai deshou
watashitachi Best Friend
suki dayo, daisuki dayo

konna osoi jikan ni gomen ne
hitori ja seppa tsumatte kita no
kimi no koe sukoshi kitetara
ganbareru

nande mo uchi akerareru
mama ni mo ienai koto mo zenbu
dare yori mo wakatte kureru

ureshi i toki wa jibun no koto mitai ni yorokonde kurete
dame na toki wa chanto shikatte kureru sonzai

arigatou
kimi ga ite kurete hontou yokatta yo
donna toki datte itsumo
waratte irareru
tatoeba, hanarete itemo nan nen datte mo
zutto kawaranai desho
watashitachi Best Friend
suki dayo, daisuki dayo

tsuyogatte mo sugu ni bareteru
hekonderu toki wa
ma saki ni meru kureru yasashisa ni
mou nando mo sukuwarete

naki tai toki wa omoikkiri nakeba ii
soba ni iru kara tte
dare yori mo tsuyoi mikata

sonna kimi ni watashi wa nanika shite agerareteru kana?
nanika attarasuguni tondeku kara, zettai

arigatou
kimi ga ite kurete hontou yokatta yo
donna toki datte itsumo

waratte irareru
tatoeba, hanarete itemo nan nen datte mo
zutto kawaranai deshou
watashitachi Best Friend
suki dayo, daisuki dayo

donna toki mo inotte iru yo
sekai de ichiban ni shiawase ni natte hoshii

arigatou
kimi ga ite kurete hontou yokatta yo
donna toki datte itsumo
waratte irareru
tatoeba, hanarete itemo nan nen hette mo
zutto kawaranai desho
watashitachi Best Friend
suki dayo, daisuki dayo