Go watch thiiiiiiiiiiiiiiiiiiis

Its ridiculously cute.,
and its in Portuguese, according to translators,

and the title (Eu Não Quero Voltar Sozinho) translates to something like I will not go back alone (according to translators :T)

But if anyone  knows a better translation?

or what that song is around 9:50! like. . . the eternity is... thing, and the two say the lyrics different?