The easiest route out of this is the MC being suicidal and actually kills himself. That would be more interesting to read than whatever than ending spoiler I read down there in the comments.
Yeahhh betray mc, yeah mc learn the truth, yeaahhhh separate and the groveling arc majestic Yeahh, knowing mc he won't forgive you easily. Can't wait to read that. It was already getting boring.
We already know what this means in the yaoi world, you are pregnant. Shouldn't they be mixed ? Why is one a tiger and the other a cat?