Optimisland (Romaji)

urara ka de odayaka na konna hi na noni
doushita no shitamu ite nanika atta no
ureshii toki kanashii toki sore igai mo
maa ironna koto aru darou kedo toriaezu kyou wa wasure cha i na

aa umi to sora to daichi to kuuki to hito sonna mon desho kono sekai dakara
daijoubu sa donnani nagai yoru mo sukoshi nemuttara asa wa kuru kara

kenka shite se wo muke ta daisuki na noni
nakanaori shitai n nara mayotte nai de
ima sugu ni tsutae nakya sono kimochi wo
nee ai taku te mo ae nai hi ga ki chau rashii yo sono mae ni

aa sora no mukou mada mi nu mirai da toka tanoshimi na noni kowaku naru
dakedo daijoubu sa utsumui teru kimi ga heiki ni naru made soba ni iru yo
Yeah ! te wo tomotsunaide ookina koe de uta ou iyana koto zenbu ato mawashi
itsumo namida iro ni mieteta sora no ao mo boku to ireba hora warukanai desho

taken from here