Arifureta kanjou kara
Sotsugyou mo dekitenakute nemurenai
Totsuzen no ame nukarunda ano kutsu wa
Mabataki suru kimi no sekai wo jitto uketometeiru
Kimi no riaru boku no shisen dokoka chigau to shitemo
Ano kutabireta T shatsu mitai ni sasenai kara
Prime number
Sekai ni dore hitotsu to shite onaji mono ga nai
Kokoro no kuuhaku wo muri ni umenakutemo ii ne
Takusan no dareka no kioku ni nokosareteiru yori mo
Yane no ue kimi dake no sora ni naritai
Kuro to shiro wataru hodou
Muishiki ni yasashii hou wo erandeiru
Taiyou no yokogao nante ki ni shinai kimi no you ni
Terasu mizutamari dake tobikoetakute
Heya no sumi ni tsumikasaneta kioku wo kaeru you ni
Kimi no chiisana koe dake wo hiroiatsumete yuku
Prime number
Kimi ga aruku sono ato kiiro no hana ga saku
Keisan shitemo kotae ga mienai ano basho de
Boku ga mayoi kimi ga warau sekai wo kokuhaku shiyou
Shizuka ni maiorita firosofii no hane
Kimi no riaru boku no shisen dokoka chigau to shitemo
Ano kutabireta T shatsu mitai ni sasenai kara
Prime number
Sekai ni dore hitotsu to shite onaji mono ga nai
Kokoro no kuuhaku wo muri ni umenakutemo ii ne
Takusan no dareka no kioku ni nokosareteiru yori mo
Yane no ue kimi dake no sora ni naritai