Boukoku no Oujou wa Noroi o Toku tame ni Asa mo Yoru mo Kiss o Suru

Cheryl, the princess of a fallen country, was cursed by Piany, the princess of the enemy country that destroyed her country, to "burn her body when exposed to sunlight," and she spent her days being tortured. However, when Liam, a handsome general, came to the castle to occupy it, Cheryl was protected. As an efficient way to break the curse, she decided to kiss Liam morning and night to inject his magical power into her...!?
This kiss was necessary to break the curse. But that was all it was supposed to be--