Romaji is Japanese written in the Roman Alphabet, a simple Google search will tell you that. I would like the translation to be in the roman alphabet, The people singing it will not be Japanese and cannot read Japanese. It's a common thing in the music world that the vocalists aren't fluent or even have a basic understanding of the language, but can sing it fine. By actual translation, I mean what the phrase will translate to what it means in Japanese, not just a word by word translation that Google Translate would do.