[Taeyeon] Let’s go! ai o osorete Zutto! kino nai furi wa [Seohyun] naze! saguri saguri de Oh oh ooh woh.. oh oh ooh woh
[Sunny] Nee haruka naru yume no kanata [Yoona] Mayu i yuwa o mo kieru se naka [Jessica] Tsui te i, kitai noni You Bad Bad Bad Boy, You So Bad (bad bad bad)
[All] Zai kono koi de ino, Mr.Mr. ([Yuri] motto!) Mr.Mr. ([Yuri] kotto baro tto tto tto!) Sai shono ai ka ino, Mr.Mr. ([Tiffany] mitsume ttara) Mr.Mr. ([Tiffany] kakae to Eyes)
[Taeyeon] Anata shika, i nai sekai Kono hoshi Wa, Mr.Mr.Mr.Mr! [Tiffany] Anata nara, wakaru hazu [Tiffany/Seohyun] Sono imika, Mr.Mr.
(Mr. Mr. Mr. Mr. Mr. Mr. Mr. Mr.)
[Jessica] Why not? sagashi tta ai wa Zutto koko ni aru no ni? [Tiffany] Ima shinjite hoshi ii? Oh oh ooh woh.. oh oh ooh woh
[Sunny] Mirai no tobi rai raku kagi wa? [Sooyoung] Tsu nai da tetote karami ata [Yuri] yori Moyou, egai kiko My mi, mi, mister, rock this world (world world world)
[All] Zai kono koi de ino, Mr.Mr. ([Hyoyeon] motto!) Mr.Mr. ([Hyoyeon] kotto baro tto tto tto!) Sai shono ai ka ino, Mr.Mr. ([Sunny] mitsume ttara) Mr.Mr. ([Sunny] kakae to Eyes)
[Tiffany] Anata shika, i nai sekai Kono hoshi wa, Mr.Mr.Mr.Mr. [Jessica] anata nara, [Sunny] wakaru hazu [Jessica/Sunny]sono imika, Mr.Mr.Mr.Mr!
(1. 2. 3. 4.) (Hey.. Hey.. Hey.. Hey..) ([Sooyoung] Mr. Mr. Mr. Mr.) (Hey.. Hey.. Hey..) [Sooyoung] Wooh!
([Yoona] Me imi ita) Anata wa ([Yoona] Koi suru na de) honto no ([Sooyoung] Mo dekinai wa) ono tari naru ([Sooyoung] Mr.Mr.) Mister! ([Hyoyeon/Yuri] Saka rai nai wa!) meki tsuri tte ([Hyoyeon] Unmei ino) hikari nowa dono ka e? ([Hyoyeon/Yuri] Me furi nashi tte, hitari ni nai) Mister〜 Oh~
[All] Zai kono koi de ino, Mr.Mr. ([Jessica] motto!) Mr.Mr! ([Jessica] kotto baro tto tto tto!) Sai shono ai ka ino ([Jessica] Oh! Ooh Whoa~) Mr.Mr ([Hyoyeon] mitsume ttara) ([Jessica] Mr.Mr~) Mr.Mr! ([Hyoyeon] kakae to Eyes) ([Taeyeon] Ooh~)
[Seohyun] Anata shika, i nai sekai Kono hoshi wa, Mr.Mr.Mr.Mr. [Taeyeon] anata nara, wakaru hazu Sono imika, Mr.Mr.Mr.Mr.