F(x) Hard But Easy
[Luna] bogosipdagado geuriupdagado
Ireol irinji
Byeonhaemanganeun nae moseup
Waeireonji molla uhuhuhuh
[Krystal] saranganhagodo useuljuraratdeon
Geureon nainde
Ireon gibun nan jal molla
Wae jakku eosaekhangeonji
[Luna] baboman gatatdeon
Geureon neoinde
([All] I'm falling in love with you~)
Ireoke jakkuman
[Luna & Krystal] Neoreul darmaganabwa
[Luna] Neoreul aragago saranghago
Sijakhagien na neomu adeukhaedo
Jakkuman neoege mami yeollyeo
Neoreul aragago saranghago
Sijakhagien na jakku geobinado
Neowa hamkkeramyeon mwodeun hal geot gata
[Krystal] Oh oh oh oh
[Krystal] johahaneungeotdo
Sirheohaneungeotdo eotteongeonjido
Neoreul aljido motago
Wae ireonji molla ahahahah
[Luna] gakkeum neomeojyeodo honja ireonadeon
Nan eodinneunji
Ireon nareul nan jal molla
Wae jakku himi deungeonji
[Krystal] hanbeonjjeum neo yeoksi
Nawa gateunji
([All] I'm falling in love with you~)
[Luna] gakkeum nan chama da
Mareul motaneun geonji
[Luna] neoreul aragago saranghago
Sijakhagien na neomu adeukhaedo
Jakkuman neoege mami yeollyeo
[Krystal] neoreul aragago saranghago
Sijakhagien na jakku geobinado
Neowa hamkkeramyeon mwodeun hal geot gata
[Krystal] dasi saranghal su isseulkka
Geokjeonghaneun geon
[Luna] imi neol saranghago itdan geol
[Krystal] nareul aragago saranghago
Niga haejwosseumyeon haneun il inneunde
Neo yeoksi nacheoreom eoryeounji
[Luna] seoro aragago saranghago
Eojjeomyeon duri hamyeon jamsi ultende
Neodo na gatdamyeon mwodeun mareul haejwo