[Suzuki Airi] konna jidai ni naze hito wa arasoundarou?
Umareta toki omoidasou yo
Yorokobi afureta hitotachi no hitomi
[All] inochi wo mitsumete kureta yo
[Suzuki Airi] manindensha ni yurareru hibi desu sou
[Na/Su/Ha] fui ni [Su/Ok] tsukare mo PIIKU yo
Sekaijuu ni kiken ga afureteru to
[Na/Ok/Ha] NYUUSU [Su/Ok] kesa mo sawaide ita
[Nakajima Saki] Days [Yajima Maimi] jibun no koto dake isogashiku shiteru
[Hagiwara Mai] Why? [Yajima Maimi] heiwa wa okane de kaeru mono nano?
[Suzuki Airi] oshiyose kuru gimon wo ne
[Okai Chisato] hottoki sugiteru kamo?
[Na/Ha] koko dake [Ya/Su/Ok] Happy day?!
[All] hana wa saku no ni naze hito wa kanashiin darou?
Nani mo kamo wo te ni dekiru no ni…
Munashisa dake mune ni ne hirogaru naraba
Ikiteru imi nado nai hazu
[Okai Chisato] hitoyo no BEDDO mo nakute samayoi
[Na/Ok/Ha] aruku [Su/Ok] hitotachi ga iru yo
[Suzuki Airi] nani wo shite hoshii? agerarerun
[Na/Su/Ha] darou? [Su/Ok] toosugiru kyori he to
[Nakajima Saki] Way [Yajima Maimi] ironna yarikata dareka oshiete
[Hagiwara Mai] Why? [Yajima Maimi] kono mama dattara ato wa dou naru?
[Suzuki Airi] nijuuniseiki nante ne konai kamo shirenai
[Na/Ha] koko dake [Ya/Su/Ok] Happy day?!
[Suzuki Airi] HONTO ni Happy day?! Yeah
[Suzuki Airi] jibun ga yokereba ii nante kangae wa
Tsuuyoushinai jidai
[Okai Chisato] kuuki mo nani mo kamo ga sou
[Yajima Maimi] tsunagatteru kara
[All] Love & Peace!
[Okai Chisato] konna jidai ni [Ya/Na] naze hito wa arasoundarou?
[Ya/Na] umareta toki omoidasou yo
[Su/Ok/Ha] yorokobi afureta hitotachi no hitomi
[Su/Ok/Ha] inochi wo mitsumete kureta [Su/Ok/Ha] yo
[All] hana wa saku no ni naze hito wa kanashiin darou?
Nani mo kamo wo te ni dekiru no ni…
Munashisa dake mune ni ne hirogaru naraba
Ikiteru imi nado nai hazu
[All] La La La…..
Happy day
[Suzuki Airi] kyou mo ashita mo sou yo asatte mo
[Okai Chisato] negai wa itsudatte [All] Happy days!!