YOU SAID:

ore wa monkey d luffy and i am going to be King of the pirates

INTO JAPANESE

オレはモンキー・D・ルフィ、そして海賊王に俺はなる

BACK INTO ENGLISH

I'm Monkey D. Luffy, and I'll be the Pirate King.

INTO JAPANESE

俺はモンキー・D・ルフィ、海賊王に俺はなる。

BACK INTO ENGLISH

I am Monkey D. Luffy, and I will become the Pirate King.

INTO JAPANESE

わたしはモンキー・D・ルフィ、海賊王になる。

BACK INTO ENGLISH

I am Monkey D. Luffy, and I will become the Pirate King.