Gisou Kekkon no Hazu ga Aisareteimasu: Tensai Fuyojutsushi wa Rngoku de Kyuuka Chuu

"Phyllis, I make you my wife." Phyllis, a court magician, is exhausted from overwork. Her fiancé, who had been her emotional support, betrays her, and she is in the depths of despair when she is offered a contractual marriage by Rain, a prince from a neighboring country. Phyllis becomes the prince's wife, but she has too much time on her hands in the neighboring country. "I feel uncomfortable if I don't work..." Phyllis resumes her work as a grantmaker, and Rain, though dismayed, relies on her, saying, "I don't mind people who work hard...?!" Source: MU