Mathematics
Shizukani tada nagameteta
Dareka ga tateta yosō o
Tanjun ni mieta keshiki wa
Iro o kaeta
Soshite mata kurikaesu yo
Boku wa ayamachi o kasane
Umareta imi mo wakarazu ni
Furueteita
Dōshite bokura wa
Konnanimo bukiyōde
Fukanzenna sekai de mogaku no
Mune o sasu itami mo
Tenshino hoho emi mo
Kotae ni wa naranai ne
Kokoro no kyori o kimeru no wa
Go-banme no chikara
Annani chikaku datta noni
Hanarete yuku
Dore dake kazu o kazoetarō
Ima boku wa doko ni iru no
Jibun ga daredatta kamo
Wasurete yuku
Dōshite bokura wa
Konnanimo futashi ka na
Omoi o daite shimau no
Hontō no kimochi mo
Itsuwari no uragaeshi
Dare ni mo todoki wa shinai ne
Dōshite bokura wa
Konnanimo bukiyōde
Fukanzenna sekai de mogaku no
Mune o sasu itami mo
Tenshino hoho emi mo
Kotae ni wa naranai ne
Dōshite bokura wa
Konnanimo futashi ka na
Omoi o daite shimau no
Hontō no kimochi mo
Itsuwari no uragaeshi
Dare ni mo todoki wa shinai ne