What does a king truly desire? - Asgore Dreemurr x Reader - Undertale

You have moved out into your dream area with a nice house, however; you witnessed a beam of light come out from the mountains. A day later, there were monsters filling the streets. Frightened of this change, you try to avoid monsters the best you can, though there is one monster that could help you get out of your shell. He is big, royal and enjoys wearing pink. This is the story of you, the reader, and how you met the king of the underground.