YOU SAID:

Or they meet in a normal manner, but crash into each other when they leave.

INTO JAPANESE

あるいは、普通に会うのに、別れ際にぶつかってしまうこともあります。

BACK INTO ENGLISH

Or, you may meet each other normally, but end up bumping into each other when you're about to say goodbye.

INTO JAPANESE

あるいは、普通に会っているのに、別れ際にばったり会ってしまうこともあります。

BACK INTO ENGLISH

Or, even though you usually meet, you may end up running into each other when you're about to say goodbye.

INTO JAPANESE

あるいは、いつもは会っているのに、別れ際にばったり会ってしまうこともあるでしょう。

BACK INTO ENGLISH

Or, even though you usually see each other, you might end up running into each other when you're about to say goodbye.

INTO JAPANESE

あるいは、普段は会っているのに、別れ際にばったり会ってしまうこともあるかもしれません。

BACK INTO ENGLISH

Or, even though you usually see each other, you may end up running into each other when you're about to say goodbye.

INTO JAPANESE

あるいは、普段は会っているのに、別れ際にばったり会ってしまうこともあるかもしれません。

BACK INTO ENGLISH

Or, even though you usually see each other, you may end up running into each other when you're about to say goodbye.