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

Mariene is confused by the sudden shift in her husband Duke Alexia, who was once cold and cruel. Living a lonely life in his mansion within a loveless marriage, she is surprised when he begins to express affection, calling her "my goddess" and showering her with flowers and jewels. His earnest but awkward attempts at romance begin to soften her heart. However, Mariene remains uncertain about his true intentions. Is this change temporary? What prompted his shift in attitude? A once heartless noble who has found love after returning from the dead and a woman who has never been loved are about to embark on a new romantic journey.