YOU SAID:

He is with her and he is going to leave her after 5 months

INTO JAPANESE

彼は彼女と一緒にいますが、5か月後に別れる予定です

BACK INTO ENGLISH

He is with his girlfriend but plans to break up after 5 months

INTO JAPANESE

彼は彼女と一緒ですが、5か月後に別れるつもりです

BACK INTO ENGLISH

He is with his girlfriend but is planning to break up after 5 months

INTO JAPANESE

彼は彼女と一緒ですが、5か月後に別れる予定です

BACK INTO ENGLISH

He is with his girlfriend but plans to break up in 5 months

INTO JAPANESE

彼は彼女と一緒ですが、5か月以内に別れる予定です

BACK INTO ENGLISH

He is with his girlfriend but plans to break up in 5 months