Samishi gariya no sugao o kakusu yoni kimi wa omoikiri warau
sorewa boku no mune o shimetsukete yuku
"tasukete" kokkoro no shingo fukirami konda
doshitara iindarou...
wakaranai yo demo daisuki dakara tte o tsunaide
tobidaso darekaga tsukutta sekai nante
nanimo nai hibi no nai tada no ottogi banashi
IT'S SO EASY TO BE HAPPY wa ubatteru dake jya konai
sonno tte o nobashite tsukami tore!
"osoroi jyanakya?" nakushita kimi eno kutsu
mou ichido hakikaeru yuuki o tori modoseba sabishiku nanka nai yo
kitto honto no nakama ni meguri aeru
karapo no MANY yori
sukoshi de ii shinjiau kimochi wa atakain da
daisukitte kotoba wa jibun no tame ni aru
egao mo naki gao mo hora suteki dakara
NOBODY CAN STOP THE HAPPINESS kowai monno nante nai
sonno tte o nobashite tsukami tore!
(OOH, LALALA, YEAH~!)
tobidaso darekaga tsukutta sekai nante
nanimo nai hibi no nai tada no ottogi banashi
IT'S SO EASY TO BE HAPPY wa ubatteru dake jya konai
sonno tte o nobashite tsukami tore!