Kinou made Namae mo Yondekurenakatta Koushaku-sama ga, Kyuu ni Dekiaishitekuru no desu ga?

"Why are you acting like you love me so much?" Mariene is troubled by the sudden transformation of her cold-hearted and ruthless husband, Duke Alexia. She had been living a solitary life confined to his mansion, stuck in a loveless marriage, until one day he came to propose love to her, doting on her as "my goddess"! He presents her with a bouquet of flowers, drapes her in jewels, and woos her with all the heart-pounding techniques of romance novels. His clumsy but straightforward acts of love starts to thaw her frozen heart. But... Mariene still doesn't know why he acts like he loves her. Is this a temporary condition? What made him change his mind? The cold-blooded prince who found love by returning from the dead and an unloved lady of the goddess will begin their second-chance, doting love fantasy! (Source: TO Books, translated)