Koshaku Shisoku no Shuchaku Kara Nigerare So Ninainode, Nigenai Koto ni Shimashita

The baron's daughter Fleur had been troubled ever since her childhood, when Victor - the magically-gifted son of a duke - first proposed to her and kept persistently pursuing her. In her frustration, she decided to turn the tables and do back to him what he'd been doing to her... only to have him respond with, "I'm so happy you care about me this much!" - delighting him instead?!