YOU SAID:
if feels good when she puts a finger in
INTO JAPANESE
彼女が指を入れたとき気分が良い場合
BACK INTO ENGLISH
If you feel good when she puts a finger
INTO JAPANESE
彼女が指を置くときあなたが気分が良い場合
BACK INTO ENGLISH
If you feel good when she puts a finger
That didn't even make that much sense in English.