Both my parents died in an accident, and when my relatives tried to take my house and throw me out, I decided to enter into a contractual engagement with a duke—my father's close friend who had lost his wife and was living as a bachelor.

I heard that my parents were attacked by monsters and died. I was supposed to take a husband and inherit my title in the future... but there are still 3 years until I come of age. "I'll become your guardian!" As expected, my father's younger brother—who had been disowned by my father for his extravagant spending and rough behavior—came to the mansion with his family in tow... but... ※A completed long-form version is available on Kakuyomu. I have edited and reposted it as a short story here.