YOU SAID:
Returning to come back
INTO JAPANESE
戻ってくるために戻ってくる
BACK INTO ENGLISH
come back to come back
INTO JAPANESE
戻ってきて戻ってくる
BACK INTO ENGLISH
come back come back
INTO JAPANESE
戻ってきて戻ってきて
BACK INTO ENGLISH
come back come back
That didn't even make that much sense in English.