Hard but easy (исполнитель: F(x) Krystal & Luna)
[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 (I'm falling in love with you~) Ireoke jakkuman Neoreul darmaganabwa Neoreul aragago saranghago Sijakhagien na neomu adeukhaedo Jakkuman neoege mami yeollyeo Neoreul aragago saranghago Sijakhagien na jakku geobinado Neowa hamkkeramyeon mwodeun hal geot gata 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 (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