YAOI COUPLES THAT WILL NOT END UP TOGETHER

Yaoi couples that you think, that although they ended up together(or gonna end), they will eventually break up after a while.

Even if the author did the best to get them to end up together, in your own judgment, what couples just wouldn't work out after a while?

For me, Taehyun and Dayeol from A Shoulder to Cry On, those extras didn't give me much hope neither.