Kojirase Majo Dielda no Yuuutsu

A romantic comedy about a young lord, loved by his people for being a good ruler, and his childhood friend. Because his father taught him from a young age to fear witches, he’s made up his mind to kill any witch he finds. His childhood friend, who gets a strange thrill from seeing how scared he gets, starts pretending to be a witch just to mess with him. As he wrestles with the fear that she might really be a witch, their relationship grows more complicated. The story follows the ups and downs between them.

(Source: Natalie, translated)