The story of a senior fairy who gets her beloved adventurer and swallows him whole to make a baby

Cliff was a rare adventurer who was partnered with a higher fairy called a High Fairy.
He had conquered many dungeons and was an outstanding being who held people in awe, and his partner was a big part of that.
On the anniversary of his three-year relationship with his girlfriend, he asked the drunken fairy the following question.
How does the fairy species procreate?"
He had no idea that this question would change the course of his life.