Watashi tachi wa wakaremichi ni deau tabi ni
Dochiraka o erabi susumu no da keredo
Erabanakatta mou ippou ga itsumo
Yake ni kagayaite miete shimau no wa
Doushite?

* What's a Beautiful Day?
What's a Beautiful Day?
Mayotta toki wa kitto (You know)
What's a Beautiful Day?
What's a Beautiful Day?
Kimi wa mou shitte iru
Erabitai sono kotae o erabu no ni chuucho shite iru dake

** It's a Beautiful Day
It's a Beautiful Day
Osoreru koto nado nai

Watashi tachi ga asu ni obieru no wa
Mada minu mono ga fuan de shikata nai kara
Demo moshimo wakari kitta asu ga
Yatte kita nara tsumarana sugiru
Sou de sho?

*** What's a Beautiful Day?
What's a Beautiful Day?
Isshun nara tayasui (You know)
What's a Beautiful Day?
What's a Beautiful Day?
Kimi wa mou shitte iru
Utsukushii koto dake de wa utsukushii mono wa te ni dekinai

** (repeat)

Kagirareta toki no naka de
Kimi wa donna tabi o shite iku darou

* (repeat)
*** (repeat)
** (repeat)