What's Wrong with Marrying a Slime?

What would it be like to marry an adorable slime?

But after becoming a [Monster Groom], humans branded me a traitor. To escape their pursuit, I hid in an underground labyrinth with my wife. But why are there suddenly so many people around me? First it was a bunch of little girls. They're a pain every single day.

(Cover image will be removed upon request.)