YOU SAID:

one day i wish to be able to fly into the sky and never come back down

INTO JAPANESE

いつか空に飛んで二度と降りられないようになりたい

BACK INTO ENGLISH

I want to fly to the sky someday and never get off again

INTO JAPANESE

いつか空に飛んで二度と降りたくない

BACK INTO ENGLISH

I don't want to fly to the sky someday and get off again

INTO JAPANESE

いつか空に飛んでまた降りたくない

BACK INTO ENGLISH

I don't want to fly to the sky someday and get off again