YOU SAID:
i love my sister in a familial manner
INTO JAPANESE
私は家族的な方法で私の妹を愛しています
BACK INTO ENGLISH
I love my sister in a family way
INTO JAPANESE
私は家族のように妹を愛しています
BACK INTO ENGLISH
I love my sister like a family
INTO JAPANESE
私は家族のように妹が大好きです
BACK INTO ENGLISH
I love my sister like my family
INTO JAPANESE
私は私の家族のように私の妹が大好きです
BACK INTO ENGLISH
I love my sister like my family
You've done this before, haven't you.