In a world of fantasy, Berlin, a reincarnated man from Earth, has a mission to kill the Lord of the Dragon. He falls in love with a male fox partner that he goes on adventures with. Berlin decides to marry his male fox partner when they get the chance, as they are the ones who have always been there for each other in their adventures.

"I can sense the monster... it is getting closer." Berlin stepped up to protect the boy. It's clear that he wants to make the boy fall in love with him.