Rettsu goo ( let's go )
K-on!daremo okoshite kurenai
kanransha yori mo jettokoosutaa gogo
keshiki yori supiido
hassha sutanbai chotto fuan da ne
koko made kitara shimeru shiitoberuto oK!?
girigiri chikoku, iiwake jooku,
dou na no choushi, sagari choushi
shindoi toki mo, namida na toki mo,
akiramenaide, saa iku yo
akaten shock shock shock
shingou wait wait wait
kimagure rock rock rock
motto ikeru!
hansei shite mo koukai shinaide
dou ni ka "rettsu goo"!
daietto! sou ki ni shiten no
fudan shokuji karorii ofukoosu
chekku meito yori mo oute desho soso
jinsei haran baajon
junchou sou na hi mo moshika uragaeru
motto tsuyoku natte nido to furikaeranai ok!?
mochikomi okashi, shukudai shita shi,
shikou wa mugen, aa gokigen
oishii toki mo, yossha na toki mo,
zenryoku dashite, saa iku yo
aozora go go go
sukaato check check check
tobibako jump jump jump
motto ikeru!
tanoshii dake ga kijun de ii ja nai
makasete "rettsu goo"!
"zettai tokei" wa mawaru mawaru
shippai shite mo modorenai yo
ippai netara juuden kanryou
koe o awase "rettsu goo"!
ashita wa yasumi, honjitsu kin'youbi,
yakusoku juuji, itsumo no basho
hajikeru toki mo, yuuutsu na toki mo,
deokurenaide, saa iku yo
minna de clap your hands
mainichi chance chance chance
migaru ni jump jump jump
motto ikeru!
tanoshii dake ga kijun de ii ja nai
tonikaku "rettsu goo"!!!