Officialdom: There's a Fairy Wife at Home

Male protagonist:

My wife came down from the heavens, and she is an immortal;

Because of my family's traditions, I married her alongside her coffin. The process was full of twists and turns, and I narrowly escaped death time and again. It was also utterly shocking to the world;

Afterward, my immortal wife proved virtuous, gentle, and clever. She used her tremendous divine power to help me make my mark in officialdom, ensuring my victories in every battle and bringing prosperity to the nation and its people...

Female protagonist:

Though my husband is an ordinary mortal, he has great compassion in his heart and presses forward bravely through the perilous world of officialdom;

Out of gratitude as deep as a mountain, I willingly came down to help him, and also to solve a world-shaking mystery that has baffled me for millions of years;

Only in the end did I discover...