manatsu no sora ga somaru
matsuri ga hajimaru
shukudai wa atomawashi
sonna no atarimae

yukata ni kingo sukui
demise ga yonde'ru?
ano hashi wo watattara
see no de hashiridasu

dokoka de taiko ga dondon natte iru
tsurenaru chouchin ga yurete sasotte'ru

happii happii natsu matsuri
happii happii hanabi dokan (dokan!)
aka ao ki-iro midori azayaka na
kirakira shite iru egao

rakkii rakkii nagareboshi!
rakkii rakkii negaigoto!
kachikachi kinkin kakigoori (kinkin)
tokete shimaisou na happy happy day

watagashi ni ringo ame
ramune mo nonde'ku?
omairi wa atomawashi
sonna no batsu atari!

omikuji mo hiite miru?
otsuge wa daikichi!
ki ni natte'ru ano ko ni mo
kyou nara aeru kana?

tooku de hanabi ga dondon agatte'ru
kirameku hoshizora ni kiseki negatte'ru

happii happii natsu matsuri
happii happii koi no yo kan? (yo kan!)
tokimeki hajimeru kono kimochi
yume de mita you na keshiki

rakkii rakkii moshikashite?
rakkii rakkii futarikiri!?
dokidoki kyunkyun munesawagi (kyunkyun)
nanika okorisou na happy happy day

kyacchii kyacchii kono shunkan
tachimachi kienaide
zawameki tsudzukeru natsu yasumi
hajikeru senkou hanabi

happii happii itsumademo
happii happii wasurenai
omoide takusan tsukucchaou!
kyou dake mongen yaburi!?

happii happii natsu matsuri
happii happii hanabi dokan (dokan!)
aka ao ki-iro midori azayaka na
kirakira shite iru egao

kyacchii kyacchii kono shunkan
kyacchii kyacchii wasurenai
dokidoki kyunkyun natsuyasumi (kyunkyun)
nanika okorisou na happy happy day
happy day