manin densha ima, Happy! osaretatte ima, Happy! datte onaji sharyou anata ga iru kara (akogare) shiken mae demo ima, Happy! benkyou nani mo shitenai kedo naze ka kokoro hazumu koi wo shiteru kara [Oka/Sak] ki ga tsukeba watashi [Oka/Sak] suki suki suki no egao [Kit/Shi/Yab/Tom] souzou dake demo [Kit/Shi/Yab/Tom] atama no naka ohanabatake [Tas/Tan/Yab] me ni utsuru subete [Tas/Tan/Yab] sou kagayaite mieru [Tat/Got/Fuk/Nis/Mur/Ego/Ota] nande ima made [Tat/Got/Fuk/Nis/Mur/Ego/Ota] seishun ni kidzukanakatta? kyoushitsu datte ima, Happy! tsumaranakutatte ima, Happy! kesa mo aeta anata omoidashite miru (DOKIDOKI) bukatsuchuu mo ima, Happy! renshuu HONTO ni tsurai keredo chanto ganbatteru yo koi wo shiteru kara [Tas/Tan/Yab] ikitereba kitto [Tas/Tan/Yab] iya na iya na koto mo aru yo [Nis/Mur] ochikonde itara [Nis/Mur] mottainai bakabakashii [Tat/Ego/Ota] kyou to iu keshiki [Got/Fuk] sou shiawase na koto wo [Oka/Sak] ippai mitsukete [Kit/Shi/Yab/Tas/Tan/Yab/Tom] mainichi wo tanoshimou yo manin densha ima, Happy! osaretatte ima, Happy! datte onaji sharyou anata ga iru kara (akogare) shiken mae demo ima, Happy! benkyou nani mo shitenai kedo naze ka kokoro hazumu koi wo shiteru kara tatta isshun wo taisetsu ni shite ima no chiisana Happy wo atsumereba zutto shiawase da yo kyoushitsu datte ima, Happy! tsumaranakutatte ima, Happy! kesa mo aeta anata omoidashite miru (DOKIDOKI) bukatsuchuu mo ima, Happy! renshuu HONTO ni tsurai keredo chanto ganbatteru yo koi wo shiteru kara Happy! Happy! Happy! koi wo shiteru kara