Honto ni supesharu na pātī no hajimari wa
Doki doki shichau yō na mahō kakerareta mitai
Naisho de sagashiteta anata no suki na koto
[Mi/So] (Pikku tto pikku appu!)
Atsumete shimai konda bokkusu ni ribon no kakete
Yorokonde hoshī bikkuri sasetai
[La/Mi/So] Uraomote mitai na kimochi
Itazura to yasashisa ga
Hiraite hiraite
Kongo shichau JACK IN THE BOX (Let’s Party)
Sa~a hajimeyo!
Surī tū wan
Happī bāsudei￫YOU!
Saikō no tanjōbi! (for YOU!) O.me.de.to.u
Odoroi chatte ureshisō na
[La/Mi/So] Egao wo misete ne (Yeah! Yeah! Yeah!)
Sapuraizu! (Kyā!) Saikō no puraizu! (for YOU!)
Pu.re.ze.n.to♪
[Ar/Mik] Kyō kara motto
[La/Mi/So] nakayoku natchaou
Omedeto~ DEAR MY FRIEND!
HAPPY BIRTHDAY￫YOU!
Issho ni ne! Iru hō ga tanoshiku natchau nda yo
[Ar/Mik] (Sō nanda zettai!)
Dakara ne, tomodachi ni natta nda kore tte mirakuru?!
Kossori purojekuto rakkī hapuningu
[So/Ar/Mik] Uraomote ga attatte ī ne!
Omoiyari × warufuzake
Hirakeba hirakeba
Tobidashichau JACK IN THE BOX! (Let's Party)
Kurakkā de pān!
Surī tū wan
Happī bāsudei￫YOU!
Saikō no tanjōbi! (For YOU!) O.i.wa.i.taimu
Hora ne yappa! Waratchau yo ne
Suteki na SHOW TIME! (Yeah! Yeah! Yeah!)
Sapuraizu! (Kyā!) Saikō no puraizu! (For YOU!)
Pu.re.ze.n.to♪
[Ar/Mik] Mae yori motto [La/Mi/So] nakayoku natchau yo
Omedeto~ DEAR MY FRIEND!
Taisetsu na anata, otanjōbi omedetō
Kēki ni ne tomotteru kyandoru wo fu~tto...fuichattara
Surī tū wan
Happī bāsudei￫YOU!
Saikō no pātī wo (For YOU!) Ha.ji.me.yo.u
Odoroi chatte ureshisō na
[La/Mi/So] Egao ni naru ne! (Yeah! Yeah! Yeah!)
Tomodachi ni (YES!) natte kurete! (WE'RE FRIENDS!) A.ri.ga.to.u
[Ar/Mik] Ima made zutto [La/Mi/So] kore kara mo kitto
Daisuki! DEAR MY FRIEND
HAPPY BIRTHDAY! IT'S YOU!
