Shi no Mori no Majo wa Ai wo Shiranai

The "Witch of the Forest of Death," rumored to be greedy and cruel, is actually Licorice, a young witch who succeeded her grandmother. One day, the King's brother comes to her in the forest seeking poison. She refuses, but the King's brother takes a liking to Licorice...?

(Source: Kadokawa, translated)