Prime number ~Kimi to Deaeru Hi~ (Blue Sky Version)

Arifureta kanjou kara
Sotsugyou mo dekitenakute nemurenai
Totsuzen no ame nukarunda ano kutsu wa
Mabataki suru kimi no sekai wo jitto uketomete iru

Kimi no riaru boku no shisen dokoka chigau to shite mo
Ano kutabireta tiishatsu mitai ni sasenai kara

Prime number
Sekai ni dore hittosu toshite onaji mono ga nai
Kokoro no kuuhaku wo muri ni umenakute mo ii ne
Takusan no dareka no kioku ni nokosarete iru yori mo
Yane no ue kimi dake no sora ni naritai

Kuro to shiro wataru hodou
Muishiki ni yasashii kata 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 hiroi atsumete yuku

Prime number
Kimi ga aruku sono ato kiiro no hana ga saku
Keisan shite mo 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 shite mo
Ano kutabireta tiishatsu mitai ni sasenai kara

Prime number
Sekai ni dore hittosu toshite onaji mono ga nai
Kokoro no kuupaku wo muri ni umenakute mo ii ne
Takusan no dareka no kioku ni nokosarete iru yori mo
Yane no ue kimi dake no sora ni naritai.