Happy Ending OST "The Rooftop Prince" Oktabbang Wangseja Принц с чердака (исполнитель: 5. Jay Park)
naege malhaejwo nal gieoghandago geu misodo hanbeonjjeum-eun saeng-gagi nandago kkum-eul kkuneun daelo neoneun dallyeogane salang-eul neon hwaginhae naege malhaejwo nal gieoghandago geu misolo hanbeonjjeum-eun saeng-gagi nandago eonjena banhaeseo neowa nan haengboghagileul daleun salam alkka ulin neoui geu moseubdo hanbeon-eun bon jeog issdago hajiman gidalyeo uli dulmanui Happy Ending-eul hanbeon dubeon sebeon nebeon-eul mannado nahante gwansimdo eobsneun cheog hago I Know I Know I Know is just again milgo dang-gigiga neomu jichyeoseo nappeun yeojaga jom maelyeogi issdan mal deul-eobon jeogi issji hajiman ijen nal al-ajwo Oh Yeah naege malhaejwo nal gieoghandago geu misodo hanbeonjjeum-eun saeng-gagi nandago eonjena balaesseo neowa nan haengboghagileul daleun salam alkka ulin neoui geu moseubdo hanbeon-eun bon jeog issdago hajiman gidalyeo uli dulmanui Happy Ending-eul jigeumbuteoya uli dului salang sijagiya dasi hanbeon taeeonan geoscheoleom eonjena baladeon uli dul seolleim-eul ije heeojineun neol malhaneun geon hanbeonui uisimdo eobsdago jigeumdo gidalyeo uli dulmanui Happy Ending-eul