Synopsis: The Cursed Princess of the Night Kingdom Melts the Heart of the Reclusive Sun Prince

To save her homeland from the brink of ruin, struck by a mysterious and deadly illness, Princess Hermine, known as the “Cursed Princess,” seeks a political marriage with a powerful neighboring kingdom. Her groom is Prince Dietrich, celebrated as the “Sun Prince” for his genius and stunning beauty. But their marriage comes with one condition: She must open the prince’s heart within a year…!? “I will never acknowledge you.” With those cold words, the Sun Prince shuts her out. Can the Cursed Princess melt his closed-off heart…? A slow-burn romance between an optimistic, determined princess and a lonely, awkward prince! ◆As Hermine saves Dietrich from danger, more and more people begin to open their hearts to her—and it seems even the Sun Prince may not be an exception…!? https://www.cmoa.jp/title/320533/