f(x) f(x) - Puzzle Bubble

Ja, uri hamkke insahe (keuge useumyonso insahe)
Ja, uri hamkke chumeul chwo (nunchi momchi obsi chumeul chwo)

Sangkeum sengkeum kkot hyanggiwa dingdong dengdong allamsori haruye sijageun sangkeumhage raralla~
Yeppeuge jom danjangeul hago sappunsappun nan maeullo gaji uu~

Sallangsallang buneun baram dugeundugeun deultteun gibun kotnore bureumyo gonneun gibun ralalla~ ye
Uriga saneun i goseson modu hengbokhejineun jumuni isso

Kkallakkabana~ kkallakkabana~ noreul utge hal achim insa~
Kkallakkabana~ kkallakkabana~ yeah jameso kken hennimdo nore bulloyo
Kkallakkabana

Gamanhi nuneul gamgo gwireul giuryobwa sarang-e soksagimi sageunsageun deullyo
Oneu nugudo seulpohaji anneun yeppeun mellodi
Uriga mandeun i gongganen modu hengbokhejineun jumuni isso

Kkallakkabana~ kkallakkabana~ noreul utge hal achim insa~
Kkallakkabana~ kkallakkabana~ yeah jameso kken hetnimdo nore bulloyo
Kkallakkabana
.
Ondoge olla sowoneul bilmyon oneuse urin dudungsil tto-olla haneureul naraga

Kkallakkabana~! nuneul matchumyo insaheyo~
Kkallakkabana~ kkallakkabana~ yeah moduga hengbokhejineun i hanmadi

Kkallakkabana kkallakkabana kkallakkabana~
Kkallakkabana~ kkallakkabana~ yeah jameso kken hetnimdo nore bulloyo
Kkallakkabana~ ye!