婚約破棄された飯炊き令嬢の私は冷酷公爵と専属契約しました～ですが胃袋を掴んだ結果、冷たかった公爵様がどんどん優しくなっています～

As a rice-cooked lady whose engagement was broken off, I have an exclusive contract with the ruthless duke. But as a result of grabbing my stomach, the cold duke is becoming more and more kinder.