Kira kira hiraku seishun line wo
Bokura wa ima hashirida suyo
Tsunagu omoi wo yume no sakumade

Natsu no GRAND bokura wa mujakini
Haku sen wo tobi koeteiku
Tayou sae mo te ga todokisou de
Nani mo kowa kunakatta
Kimi to sora ni egai ta
Yume wa ikutsu ni narudarou
Senaka wo tataite kureta
Sono te wo tsuyoku nigitta

Sousa kira kira hikaru seishun line wo
Bokura wa ima hashirida suyo
Mou modoranai
Zutto
DRAMATIC na kiseki wo sagashite
Shinjiru mama te wo nobasu yo
Tsunagu omoi wo yume wo sakumade

Madohen no yuki wo yubi denazutte wa
Chiisana buna wo tabushiteita
Furikiruyou ni unazuita boku ni
Kimi wa warattekureta
Ikirishita yakusoku wo ima mo futari dakishimete
Tashika ni ooi tsuzuketeku sono te wo hanashi wa shinai

Soura kira kira hikaru seishun line wo
Bokura wa ima yabutteiku
Mou mayowanai
Zutto
ROMANTIC na mirai wo sagashite
Shinjiru mama te wo nobasu yo
Tsunagu omoi wo yume no sakumade

Kira kira hikaru seishun line wo
Bokura wa ima koete iku wo
Mou modorenai

Sousa kira kira hikaru seishun line wo
Bokura wa ima hashirida suyo
Mou modoranai
Zutto
DRAMATIC na kiseki wo sagashite
Shinjiru mama te wo nobasu yo
Tsunagu omoi wo

Sousa kira kira hikaru seishun line wo
Bokura wa ima hashirida suyo
Tsunagu omoi wo yume no sakumade