TWICE mengeluarkan MV untuk lagu HAPPY HAPPY yang berbahasa Jepang. Bersamaan dengan MV ini, mereka juga merilis MV untuk lagu Breakthrough.
Lirik HAPPY HAPPY – TWICE
Kanji teru unmei no kimi
kimi no egao it’s just magic
hora atta shunkan
Viva saikō ni nareruijippari mo uso mitai ni
watashi ga watashi de i rareru no
Only One no ibasho
yappa Really really like youji kara tsugi e to yume o katatte
risō no sekai e chikadzukitai yo
tokimeki ga tomaranaiI feel happy happy happy (You You You)
aete yokatta
don’na toki demo (don’na toki demo)
nani ga okite mo I wanna be with you
Happy happy happy (You You You)
sōzō dekiru
kaita mirai o kaita mirai o
hikiyose rareru I’ve gotta be with youitsumo Good time Bad time
shea shite Midnight
onaji kimochi de Up and down down
yorokobi wa kanashimi wa
wakachi atte ikou yo Godokidoki suru koto yame rarenaikara ne
sā come on come on
Let go Let go
2-rinara alrightyana koto atte ochikomu hi mo
kimi no kotoba de genki moratte
sakidō You’re my powerI’ll be happy happy happy (You You You)
shinjite iru yo
nan’nen-saki mo nanjūnen-saki mo
I wanna be with you
Happy happy happy (You You You)
nan demo dekiru
don’na kon’nan mo (don’na kon’nan mo)
norikoe rareru I’ve gotta be with youkimigairukara tsuyoku nareru yo
kakegae no nai hito I wanna be with youkitto ne umarekawatta to shite mo
mata kimi ni meguriaeru I believe
Never ending omoi ni owari wanai no
daijina kimidakara mamotteagetai yoLalalala Lalalala
Lalala Lala
Lalalala Lalalala
Oh yeah I wanna be with you
Lalalala Lalalala
Lalala Lala
Lalalala Lalalala
Oh yeahI feel happy happy happy (You You You)
aete yokatta
don’na toki demo (don’na toki demo)
nani ga okite mo I wanna be with you
Happy happy happy (You You You)
sōzō dekiru
kaita mirai o kaita mirai o
hikiyose rareru I’ve gotta be with youkun to irukara yūki ga waku no
korekara mo zutto I wanna be with you