Romi:
torimodoshite miseru
tsukamu no sa kono te de
hohoemi to namida no ato wo

Rie:
wakatte'ru sono kimochi
dakara shinpai nanda
isshou da yo don'na toki demo

Megumi:
tooku hanarete ite mo
omoi tsutawaru
son'na ki ga shite'ru no

Romi/Rie/Megumi (chorus):
hagane no kokoro hitorizutsu
omou kimochi wa chigatte mo
omoi yari wa tashika dakara
itsudatte shinjite ireru

hagane no kokoro bokutachi wa
nakushita mono ooi keredo
dakara koso tsuyoku nareru
kizuna tsuyoku fukai kara

Romi:
honto wa wakatte'ru sa
omae ga soba ni inakya
ore hitori ja nanimo dekinai

Rie:
itsumo isshou ni iru yo
subete wakachiaou
yorokobi mo kanashimi sae mo

Megumi:
tsutsunde ageru itsumo
yasashisa de
demo chotto samishii

Romi/Rie/Megumi(chorus):
hagane no kokoro nagareteku
jikan wa zankoku da keredo
kasanaru omoi tashika nara
itsudatte susunde yukeru

hagane no kokoro kibou sae
ushinau you na sadame demo
isshou nara nori koerareru
kizuna tsuyoku fukai kara

Romi:
yasashisa ga himeta omoi ga
sono chikara ataeru

Romi/Rie/Megumi (chorus):
hagane no kokoro hitorizutsu
omou kimochi wa chigatte mo
omoi yari wa tashika dakara
itsudatte shinjite ireru

hagane no kokoro bokutachi wa
nakushita mono ooi keredo
dakara koso tsuyoku nareru
kizuna tsuyoku fukai kara