[Taeyeon] Let's go! mwol geokjeonghaneunde neo,
Dwaetgo mwoga tto duryeonde?
[Seohyun] Jaego tto jaeda neujeobeoryeo
Oh oh oh~ Oh oh oh~

[Sunny] Maeil haruga dareuge buranhaejyeo ga
[Yoona] Apseo ga jugil barae geu nugungaga
[Jessica] Neon moreun cheok nuneul gamneun
You bad bad bad boy, you so bad

[All] Deo dangdanghage neon
Mr. Mr. ([Yuri] nal bwa)
Mr. Mr. ([Yuri] geurae baro neo neo neo)
Nal gaseum ttwige han
Mr. Mr. ([Tiffany] choegoui namja)
Mr. Mr. ([Tiffany] geuge baro neo)
[Taeyeon] sangcheoro kkajin yurijogakdo
Byeori doeneun neo Mr. Mr. Mr. Mr.
[Tiffany] nareul bitnajul
[Seohyun] seontak badeun ja
[Tiffany/Seohyun] geuge baro neo Mr. Mr.

Mr. Mr. Mr. Mr. Mr. Mr. Mr. Mr.
Mr. Mr. Mr. Mr. Mr. Mr. Mr. Mr.

[Jessica] wae neon ajikdo mitji motae
Jinjja! bimireul allyeojulge
[Tiffany] neon wae teukbyeolhan Mr. Inji
Oh oh oh~ Oh oh oh~

[Sunny] mirael yeoneun yeolsoe baro niga gajingeol
[Sooyoung] seonyeonboda deo keun kkumeul kkeureoana
[Yuri] bitnan nun sok nal damgoseo
My Mi,Mi, Mister, rock this world

[All] deo dangdanghage neon
Mr. Mr. ([Hyoyeon] nal bwa)
Mr. Mr. ([Hyoyeon] geurae baro neo neo neo)
Nal gaseum ttwige han
Mr. Mr. ([Sunny]choegoui namja)
Mr. Mr. ([Sunny] geuge baro neo)
[Tiffany] sangcheoro kkaejin yurijogakdo
Byeori deoneun neo Mr. Mr. Mr. Mr.
[Jessica] nareul bitnaejul
[Sunny] seontaek badeun ja
[Jessica/Sunny] geuge baro neo Mr. Mr. Mr. Mr.

1,2,3,4
Hey,hey,hey,hey
[Soyoung] Mr. Mr. Mr. Mr.
Hey,hey,hey
[Tiffany] Wooh~

([Sooyoung/Yoona] jigeum sesang ane) [Taeyeon] oh, neape
([Sooyoung/Yoona] nuguboda meonjeo) [Taeyeon] neoldeonjyeo
([Sooyoung/Yoona] deo chiyeolhage) [Taeyeon] deochiyeolhage
([Yoona] Mr. Mr.) [Taeyeon] Mister
([Yuri/Hyoyeon] ojik geudamani)
[Tiffany] irwonael
([Yuri/Hyoyeon] dan hana)
[Tiffany] naeil apui neo
([Yuri/Hyoyeon] geu ane sara gal)
([Hyoyeon] neowa na) [Tiffany] Mister Oh~

[All] deo dangdanghage neon
Mr. Mr. ([Jessica] nal bwa)
Mr. Mr. ([Jessica] geurae baro neo neo neo)
Nal gaseum ttwige han ([Jessica] Oh whoo~)
Mr. Mr. ([Hyoyeon] choegoui namja) ([Jessica] Mr. Mr.~)
Mr. Mr. ([Hyoyeon] geuge baro neo) ([Taeyeon] Ooh~)
[Seohyun/All] sangcheoro kkaejin yurijogakdo
Byeori doeneun neo Mr. Mr. Mr. Mr.
[Taeyeon/All] nareul bitnaejul choegoui namja
Geuge baro neo Mr. Mr. Mr. Mr.