YOU SAID:

my friend is not good and shouldn't exist anymore, I don't like him

INTO JAPANESE

私の友達は良くなくてもう存在しないはずです、私は彼が好きではありません

BACK INTO ENGLISH

My friend is not good and should no longer exist, i don't like him

INTO JAPANESE

私の友人は良くなく、もう存在しないはずです、私は彼が好きではありません

BACK INTO ENGLISH

My friend is not good and should no longer exist, i don't like him