YOU SAID:
I am inside your walls.
INTO JAPANESE
私はあなたの壁の中にいます。
BACK INTO ENGLISH
I'm in your wall
INTO JAPANESE
私はあなたの壁にいます
BACK INTO ENGLISH
i'm on your wall
INTO JAPANESE
私はあなたの壁にいます
BACK INTO ENGLISH
i'm on your wall
That didn't even make that much sense in English.