[Seohyun] Eotteoke ireoke modeun sungan
Dareun saramin geot gata jebeob orae
Manna neoran namja nan da an dago;
[Tiffany] Nan swibge geureoke jasin itge yaegihago
Sipeotneunde gakkeum ssigeun nan
Nolla ajig mollatdeon
Ne moseub;

[Taeyeon] Neoro gadeug chaewojin dictionary
Aju sasohan modeun knowledge
I bam gipeo gado
Moreuge ppajyeo deulkkeoya;

Oh oh oh oh oh [Tiffany] just a library;
Oh oh oh oh oh [Taeyeon] yeoreo jullae naege;
Oh oh oh oh oh [Seohyun] neo anin dareun geoseun;
Amugeotdo eobtneun geureon got imyeon hae;
Oh oh oh oh oh [Tiffany] just a library;
Oh oh oh oh oh [Taeyeon] ilgeo jullae neoreul;
Oh oh oh oh oh [Seohyun] neol sarang haneun dongan;
Banghae badji anhgo ne saenggagman hago sipeo

[Tiffany] Somsatang gyeol cheoreom budeureon
Barami cham goun naren hayan
Benchi naranhi neowa na duri anjaseo;

[Seohyun] Oewodwoya hal gosen underline
Dasi bogopeun goseneun bookmark
Neoreul aneun geu nuguboda
Deo wanbyeok hadorog;

Oh oh oh oh oh [Tiffany] just a library;
Oh oh oh oh oh [Taeyeon] yeoreo jullae naege;
Oh oh oh oh oh [Seohyun] neo anin dareun geoseun;
Amugeotdo eobtneun geureon got imyeon hae;
Oh oh oh oh oh [Tiffany] just a library;
Oh oh oh oh oh [Taeyeon] ilgeo jullae neoreul;
Oh oh oh oh oh [Seohyun] neol sarang haneun dongan;
Banghae badji anhgo ne saenggagman hago sipeo

[Taeyeon] Geu eotteon seolmyeongdo piryo
Eobtneun senseue ama kkamjjag nollal kkeoya
Only for you baby hey~;

Oh oh oh oh oh [Tiffany] just a library;
Oh oh oh oh oh [Taeyeon] yeoreo jullae naege;
Oh oh oh oh oh [Seohyun] neo anin dareun geoseun;
Amugeotdo eobtneun geureon got imyeon hae;
Oh oh oh oh oh [Tiffany] just a library;
Oh oh oh oh oh [Taeyeon] ilgeo jullae neoreul;
Oh oh oh oh oh [Seohyun] neol sarang haneun dongan;
Banghae badji anhgo ne saenggagman hago sipeo