Nani mo iranai anata ga soba ni [bad word] dake de shiawase dakara
 Kono shiawase wo mina ni mo wakeaimashou happy birthday yeah ! Yeah ! Wow ! Wow !

 Juniji mawata kurakkaa mottara hajimeyou saa ippatsu
 Sakihodo kubatta gurasuga mawareba ondo wa shuyaku kara
 Nen ni ichido anata no hi sekikakomi tamani hamehazu shiari!
 Shiawase na jikan wo okurou yo iwau yo HAPPY DAY!

 Takadaka to ubugoe agete takusan no ai ni tsutsumarete
 Kono yo ni umarete kita shujinkou he NO.1 no ai wo

 Rousoku no hifuki [bad word]  Boku kara kimi he no PUREZENTO omedetou
 Wagamama nanka mo kiite agemashou kyou wa
 [bad word] na ichinichi [bad word] kokoro kome kimi no tame ni utau happy birthday

 Watashi no kimochi ga anata no tokorohe chanto todokimasu youni
 So•u•i•e•ba atesaki wa itsumo no tokorode ii kana ?
 Kono hi dake wa anata wo RIBON de tsutsumu
 Umarete kite yokatta ne to sakebou se node happy day

 Sugoi kakuritsu dayo ne kimi to boku ga deau notte
 San-byaku-roku-juu-go nichi no naka de NO.1 no egao

 Rousoku no hifuki [bad word]  Boku kara kimi he no PUREZENTO omedetou
 Guchide mo nande mo kiite agemashou kyou wa
 Tokubetsu na ichinichi mata hitotsu otona ni [bad word]  Kimi no tame ni utau Happy birthday

 Everybody clap your hands
 Todokeyou saa suteki na jikan wo
 Dodekai KE-KI SHANPAN ni hanataba
 Zanpa madamade detekuzzo
 One's birthday takara mamire sonna SUTANSU de
 Tobidasu kadode shukufuku [bad word] aratana kimi he mina no utage

 Rousoku no hifuki [bad word]  Boku kara kimi he no PUREZENTO omedetou
 Wagamama nanka mo kiite agemashou kyou wa
 [bad word] na ichinichi [bad word] kokoro kome kimi no tame ni utau happy birthday

 Nani mo iranai anata ga soba ni [bad word] dake de shiawase dakara
 Kono shiawase wo mina ni mo wakeaimashou happy birthday yeah ! Yeah ! Wow ! Wow !