Sora yuku hikouki wa doushite tobu no darou?
"Atari mae" ga kyuu ni gimonfu ni
Kitto gakusha-san wa setsumei dekiru deshou
Demo rikutsu ja nai nani ka

Atama no naka ni aru no ni katachi ni dekinai yo
Ima boku ni mieru mono wa wazuka
Surikomareta joushiki wo utagatte mitara sa
Atarashii imi no tobira wo hiraku kagi ni naru ka na?

Itsuka kimi ga shite ita zensei no hanashi nara
Otogi banashi no you ni kiite 'ta yo
Arika nashi ka dake de kotae wo sagasu nara
Nan ni mo kawaranai asu

Te wo nobashi tsuzukete tara todoku hi ga kuru ka mo?
Fujouri wo koete deau basho ni
BIRU no ue kara miageta yozora no mukou ni wa
Itsumo douri tsuki ga meguru chikyuu wo terashite iru yo

Tonari au fushigi ni sou boku wa mitasarete 'ru

Kimi no namida de boku no kokoro mo setsunaku naru no wa
Mune wo furuwasu tashika na mono ga todoite 'ru kara
Demo atama no naka ni aru no ni katachi ni dekinai yo
Ima boku ni mieru mono wa wazuka
Tsujitsuma awase suru yori jibun wo shinjireba
Ikite iru imi no tobira wo hiraku kagi ni naru ka na?
Meguru chikyuu ni toikakeru yo