YOU SAID:

There's someone in my head, but it's not me

INTO JAPANESE

私の頭の中に誰かがいるが、それは私ではない

BACK INTO ENGLISH

There is someone in my head, but it is not mine

INTO JAPANESE

私の頭の中に誰かがいる、それは私のものではない

BACK INTO ENGLISH

There is someone in my head, it is not mine

INTO JAPANESE

私の頭の中に誰かがいる、それは私のものではない

BACK INTO ENGLISH

There is someone in my head, it is not mine