happī happī happī happī sutte haite ikiteru yattā yattā meccha happī Happy taiyōsansan gummōnin futon kara bu wā tte dete sengan sengan hamigaki shakoshakoshakoshakosha hai (Happy one day happy every day) okazu gohan okazu misoshiru gohan okawari gyūnyū nonde gyungyun gyungyun ichiseisei chōki wao (Happy one day happy every day) gingon gangon hajimaru kyō dake no kyō tte iu hi (kyō mo chikyū wa mawaru nē ureshī) hate hate nani wo shimashō kana gojūniman gosenroppyakubun nandemo dekichau ki ga surunda na happī ohisama kara happī bīmu minna minna shiawase jushin dayo (Happy happier happiest) wāi (wāi) tokimeki ga pittara pon toni mo kaku ni mo deteiteitetei egao ga (fufu) afurechau (fufu) īnīmīnīmainīmō tte Why? (why?) rikutsu toka sapparichan tanoshi kerya ii yo ne (h-a-p-p-y) uchū no subete kansha kansha minna sumairu chottomatte jūsu nomitai (puhā ̄kōra saikō) happī happī happī happī kyō mo minna ni aeru ne yattā yattā meccha happī Happy tsūgakuro nyanko ga itandayo (happī happī) miagetara dekkai hikōkigumo (happī happī) tonari no obāchan ni konnichiwa (happī happī) shiawase nōdo nisen pāsento dokkan (dokkan) dokkan (dokkan) hanabi kirei zuban (zuban) zuban (zuban) naisu tōrui hancha (hancha) hancha (hancha) hanchāhan (sekai wa happī darake da) iyana koto mo jibun shidai warattereba kitto waraeru yo (Happy happier happiest) wāi (wāi) takamaru yo ten paracha shanimu odorimasho shesheshesheiku tanoshī (fufu) ureshī (fufu) jinrui zenin nikoniko Why? (why?) namida toka sukkara pin ame no ato kaisei (h-a-p-p-y) nasebanaru sa parira parira sukoshi kyūkei gitā yoroshiku yokkoisho tto iēi otoshidama (happī happī) gūzen futago kōde (happī happī) yubi ni tonbo tomatta (happī happī) nandemo kandemo shinrabanshō (happī happī) nē hontō ni shiawase da wāi (wāi) tokimeki ga pittara pon tonimo kaku ni mo deteiteitetei egao ga (fufu) afurechau (fufu) īnīmīnīmainīmō tte Why? (why?) rikutsu toka sapparichan tanoshi kerya ii yo ne (h-a-p-p-y) dare ga nante ittatte shiawase da Happy