Magritte, born into the Nefashal Viscount family, was neglected by her family and raised as a servant because she lacked magical abilities, unlike her sister Adel. Called a 'remnant,' Magritte's only wish is to eat Japanese food. She possesses memories of a past life running a Japanese restaurant. When her sister elopes, Magritte is married off in her place to a terrifying border count who wields corruption magic. Instead of despair, Magritte is overjoyed! She finds the Ganongulf mansion dilapidated and only inhabited by a male servant, Izak. Magritte cleans the mansion, enjoys her life, and yearns to meet the border count. But why?